{"id":6650,"date":"2026-03-13T22:16:30","date_gmt":"2026-03-13T21:16:30","guid":{"rendered":"https:\/\/tevipa.com\/blog\/?p=6650"},"modified":"2026-03-13T22:16:32","modified_gmt":"2026-03-13T21:16:32","slug":"le-bob","status":"publish","type":"post","link":"https:\/\/tevipa.com\/blog\/fr\/le-bob\/","title":{"rendered":"Le bob"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/07\/logo512.png\" alt=\"Logo C\u00f3mo Cubrir un Cuerpo\" class=\"wp-image-6\" style=\"width:270px;height:auto\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/07\/logo512.png 512w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/07\/logo512-300x300.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/07\/logo512-150x150.png 150w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div>\n\n\n<h1 class=\"wp-block-heading has-text-align-center\">Le bob<br>D\u00e9finition, origine et \u00e9tymologie<\/h1>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/000.png\" alt=\"homme femme et b\u00e9b\u00e9 portant un bob bucket hat\" class=\"wp-image-6519\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/000.png 700w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/000-300x169.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_1a8a11-76 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_1a8a11-76 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_1a8a11-76\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\">Qu\u2019est-ce que le bob ?<\/h2>\n\n\n\n<p class=\"text-justify\">Le bob \u2014 connu internationalement sous le nom de <em>bucket hat<\/em> \u2014 est un chapeau \u00e0 calotte souple et \u00e0 bord tombant qui entoure enti\u00e8rement la t\u00eate.<\/p>\n\n\n\n<p class=\"text-justify\">Il se caract\u00e9rise par : <\/p>\n\n\n\n<p class=\"text-justify\">\u2022 Une calotte arrondie et flexible.<br>\u2022 Une bande lat\u00e9rale cylindrique.<br>\u2022 Un bord continu de 360\u00b0 l\u00e9g\u00e8rement inclin\u00e9 vers le bas.<br>\u2022 Une construction l\u00e9g\u00e8re et pliable.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/001.png\" alt=\"vues avant profil dessus et arri\u00e8re du bob bucket hat\" class=\"wp-image-6526\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/001.png 700w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/001-300x169.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_99fe62-8e .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_99fe62-8e .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_99fe62-8e\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\">Origine<\/h2>\n\n\n\n<p class=\"text-justify\">Le bob appara\u00eet au d\u00e9but du XX\u1d49 si\u00e8cle en Irlande et au Royaume-Uni comme v\u00eatement fonctionnel destin\u00e9 aux p\u00eacheurs et aux travailleurs ruraux.<\/p>\n\n\n\n<p class=\"text-justify\">On le confectionnait en laine trait\u00e9e ou en coton cir\u00e9, des mat\u00e9riaux r\u00e9sistants \u00e0 l\u2019eau con\u00e7us pour prot\u00e9ger de la pluie et du vent sans limiter la mobilit\u00e9.<\/p>\n\n\n\n<p class=\"text-justify\">Sa conception r\u00e9pond \u00e0 une logique utilitaire : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">\u2022 Le bord prot\u00e8ge sans g\u00eaner la vision.<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 La calotte souple facilite le pliage.<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 La forme ferm\u00e9e emp\u00eache l\u2019entr\u00e9e directe de la pluie.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_33f01b-48 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_33f01b-48 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_33f01b-48\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\">\u00c9tymologie: pourquoi \u00ab bucket hat \u00bb?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/003.png\" alt=\"comparaison entre un seau et un bob bucket hat forme du chapeau\" class=\"wp-image-6533\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/003.png 700w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/003-300x169.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">En anglais, <em>bucket hat<\/em> signifie litt\u00e9ralement \u00ab chapeau en forme de seau \u00bb.<\/p>\n\n\n\n<p class=\"text-justify\">Le terme fait directement r\u00e9f\u00e9rence \u00e0 sa forme :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">\u2022 La calotte cylindrique rappelle le corps d\u2019un seau.<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Le bord tombant \u00e9voque le rebord sup\u00e9rieur d\u2019un seau ou d\u2019un r\u00e9cipient.<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Il ne s\u2019agit pas d\u2019un nom m\u00e9taphorique sophistiqu\u00e9, mais d\u2019une d\u00e9signation descriptive et visuelle.<\/p>\n\n\n\n<p class=\"text-justify\">Cette appellation anglaise est particuli\u00e8rement utile car elle d\u00e9crit la g\u00e9om\u00e9trie fondamentale du mod\u00e8le.naci\u00f3n inglesa resulta especialmente \u00fatil porque describe su <strong>geometr\u00eda b\u00e1sica<\/strong> del modelo.<\/p>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_b4a36b-e3 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_b4a36b-e3 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_b4a36b-e3\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\">Importance actuelle dans la mode<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/004.png\" alt=\"personnes portant un bob bucket hat dans diff\u00e9rents styles de mode\" class=\"wp-image-6542\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/004.png 700w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/004-300x169.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">Le bob a d\u00e9pass\u00e9 sa fonction d\u2019origine pour devenir une pi\u00e8ce transversale de la mode contemporaine.<\/p>\n\n\n\n<p class=\"text-justify\">\u00c0 partir des ann\u00e9es 1980 et 1990, la culture urbaine et le hip-hop l\u2019adoptent et en font un symbole du <em>streetwear<\/em>.<\/p>\n\n\n\n<p class=\"text-justify\">Aujourd\u2019hui, on le retrouve dans :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">\u2022 Les collections de luxe<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 La mode sportive<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Les propositions minimalistes<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Les versions techniques imperm\u00e9ables<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Sa long\u00e9vit\u00e9 s\u2019explique par plusieurs facteurs :<\/p>\n\n\n\n<ul class=\"wp-block-list text-justify\">\n<li class=\"text-justify\">\u2022 Sa polyvalence formelle<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Sa capacit\u00e9 de r\u00e9interpr\u00e9tation volum\u00e9trique<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Sa neutralit\u00e9 structurelle qui permet d\u2019exp\u00e9rimenter les proportions<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Son adaptabilit\u00e9 \u00e0 tous les \u00e2ges<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Sa simplicit\u00e9 apparente cache une structure g\u00e9om\u00e9trique pr\u00e9cise, ce qui en fait une pi\u00e8ce int\u00e9ressante aussi bien du point de vue du design que du patronage.<\/p>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_9915c5-76 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_9915c5-76 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_9915c5-76\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\">Mesures pour le bob<\/h2>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_055ad3-b8 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_055ad3-b8 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_055ad3-b8\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">1) Mesures corporelles n\u00e9cessaires<\/h3>\n\n\n\n<p class=\"text-justify\">Pour ce patron, nous travaillons en centim\u00e8tres.<\/p>\n\n\n\n<h4 class=\"wp-block-heading text-justify has-medium-font-size\"><strong>Tour de t\u00eate (C)<\/strong><\/h4>\n\n\n\n<p class=\"text-justify\">Cette mesure est indispensable.<\/p>\n\n\n\n<p class=\"text-justify\">Elle se prend \u00e0 l\u2019endroit o\u00f9 reposera le chapeau : au-dessus des sourcils et des oreilles. La mesure doit \u00eatre ajust\u00e9e mais non serr\u00e9e.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-016_contornoCraneo-1024x576.jpg\" alt=\"Mesure du tour de t\u00eate avec un m\u00e8tre ruban souple\" class=\"wp-image-5448\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-016_contornoCraneo-1024x576.jpg 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-016_contornoCraneo-300x169.jpg 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-016_contornoCraneo-768x432.jpg 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-016_contornoCraneo-1536x864.jpg 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-016_contornoCraneo-2048x1152.jpg 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-016_contornoCraneo-1320x743.jpg 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading text-justify has-medium-font-size\">Aisance (E):<\/h4>\n\n\n\n<p class=\"text-justify\">L\u2019aisance correspond \u00e0 l\u2019augmentation ajout\u00e9e au tour r\u00e9el afin de permettre le confort.<\/p>\n\n\n\n<p class=\"text-justify\">Elle peut \u00eatre augment\u00e9e selon l\u2019\u00e9paisseur du tissu.<\/p>\n\n\n\n<p class=\"text-justify\">Elle permet \u00e9galement de pr\u00e9voir une tol\u00e9rance de confection dans les mesures du v\u00eatement.<\/p>\n\n\n\n<p class=\"text-justify\">Le tour du patron (Cp) se calcule ainsi :<\/p>\n\n\n\n<div class=\"wp-block-math\"><math display=\"block\"><semantics><mrow><msub><mi>C<\/mi><mi>p<\/mi><\/msub><mo>=<\/mo><mi>C<\/mi><mo>+<\/mo><mi>E<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">C_p = C + E<\/annotation><\/semantics><\/math><\/div>\n\n\n\n<p class=\"text-justify\">La valeur de l\u2019aisance n\u2019est pas fixe pour tous les \u00e2ges.<\/p>\n\n\n\n<p class=\"text-justify\">Elle varie selon :<\/p>\n\n\n\n<ul class=\"wp-block-list text-justify\">\n<li class=\"text-justify\">\u2022 le groupe d\u2019\u00e2ge<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 le volume cr\u00e2nien<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 la stabilit\u00e9 du tissu utilis\u00e9 pour confectionner le chapeau<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Les valeurs recommand\u00e9es pour chaque taille se trouvent dans la table jointe \u00e0 cet article.<\/p>\n\n\n\n<h4 class=\"wp-block-heading text-justify has-medium-font-size\">Indice d\u2019ovalit\u00e9 cr\u00e2nienne (IOC)<\/h4>\n\n\n\n<p class=\"text-justify\">Cet indice n\u2019est pas indispensable pour construire le patron, mais il est recommand\u00e9 lorsque l\u2019on souhaite obtenir une calotte elliptique plus proche de la forme anthropom\u00e9trique de la t\u00eate. L\u2019indice d\u2019ovalit\u00e9 cr\u00e2nienne (IOC) se calcule en divisant la largeur maximale de la t\u00eate (b) par la longueur maximale (a).<\/p>\n\n\n\n<p class=\"text-justify\">IOC = (largeur \/ longueur)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-9_01-1024x576.jpg\" alt=\"Mesure des diam\u00e8tres cr\u00e2niens ant\u00e9ro-post\u00e9rieur (a) et bilat\u00e9ral (b) pour le patronage proportionnel d\u2019une casquette de baseball\" class=\"wp-image-6157\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-9_01-1024x576.jpg 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-9_01-300x169.jpg 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-9_01-768x432.jpg 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-9_01-1536x864.jpg 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-9_01-2048x1152.jpg 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/02\/bcp-9_01-1320x743.jpg 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">Par <strong>longueur<\/strong>, on entend la distance maximale mesur\u00e9e du front jusqu\u2019\u00e0 l\u2019arri\u00e8re de la t\u00eate.<\/p>\n\n\n\n<p class=\"text-justify\">Par <strong>largeur<\/strong>, on entend la distance maximale d\u2019un c\u00f4t\u00e9 \u00e0 l\u2019autre, c\u2019est-\u00e0-dire la largeur maximale que devra couvrir le chapeau.<\/p>\n\n\n\n<p class=\"text-justify\">Lorsque ces deux mesures sont disponibles, l\u2019indice permet d\u2019ajuster la forme du patron afin que la calotte sup\u00e9rieure adopte une ellipse plus fid\u00e8le \u00e0 la morphologie cr\u00e2nienne.<\/p>\n\n\n\n<p class=\"text-justify\">Si l\u2019on ne souhaite pas effectuer cette mesure, il est possible d\u2019utiliser l\u2019IOC approximatif indiqu\u00e9 dans la table du bob selon le groupe d\u2019\u00e2ge correspondant.<\/p>\n\n\n\n<p class=\"text-justify\">Les indices se trouvent dans la table jointe \u00e0 cet article.<\/p>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">2) Plage de tours de t\u00eate du b\u00e9b\u00e9 \u00e0 l\u2019adulte<\/h3>\n\n\n\n<p class=\"text-justify\">Dans la table de base, nous utilisons une plage allant du nouveau-n\u00e9, dont le tour de t\u00eate se situe entre <strong>34 et 35 cm<\/strong>, jusqu\u2019\u00e0 l\u2019adulte de grande taille, dont le tour de t\u00eate se situe entre <strong>61 et 62 cm<\/strong>.<\/p>\n\n\n\n<p class=\"text-justify\">Nous distinguons les groupes suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list text-justify\">\n<li class=\"text-justify\">\u2022 Nouveau-n\u00e9 (0 mois)<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 3, 6 et 12 mois<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 2 et 4 ans<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 6\u20137 ans<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 10 ans<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 13\u201314 ans<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Tailles adultes S\/M, L et XL<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Bien que les tailles de chapeaux soient d\u00e9finies par le tour de t\u00eate, il nous semble plus utile de conserver les tranches d\u2019\u00e2ge et de r\u00e9server les tailles <strong>S\/M, L et XL<\/strong> uniquement aux adultes.\u00a0\u00a0<\/p>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_912e64-d9 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_912e64-d9 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_912e64-d9\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">Description technique du patron<\/h3>\n\n\n\n<p class=\"text-justify\">Le bob se compose structurellement de <strong>trois pi\u00e8ces principales<\/strong> et, selon la finition, d\u2019un ou de plusieurs \u00e9l\u00e9ments auxiliaires<\/p>\n\n\n\n<p class=\"text-justify\">Du point de vue du patronage, sa logique est claire et modulaire.<\/p>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">2.1. Calotte sup\u00e9rieure<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/005.png\" alt=\"calotte du bob bucket hat pi\u00e8ce du patron\" class=\"wp-image-6552\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/005.png 700w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/005-300x169.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">La g\u00e9om\u00e9trie de cette pi\u00e8ce repose sur l\u2019ellipse.<\/p>\n\n\n\n<p class=\"text-justify\">Ses fonctions sont :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">\u2022 Fermer le volume sup\u00e9rieur<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 D\u00e9finir l\u2019ovalit\u00e9 anatomique<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Assurer l\u2019adaptation au tour de t\u00eate<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Caract\u00e9ristiques techniques<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">\u2022 Elle est construite \u00e0 partir du tour du patron (Cp).<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Sa forme n\u2019est pas circulaire pure mais elliptique.<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Les axes majeurs (ant\u00e9ro-post\u00e9rieur) et mineurs (bilat\u00e9ral) sont d\u00e9termin\u00e9s selon l\u2019indice d\u2019ovalit\u00e9 cr\u00e2nienne (IOC).<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Elle peut \u00eatre coup\u00e9e :<\/p>\n\n\n\n<ul class=\"wp-block-list text-justify\">\n<li class=\"text-justify\">\u2022 en une seule pi\u00e8ce<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 en deux moiti\u00e9s avec couture centrale<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 en quatre panneaux (variante moins fr\u00e9quente du bob classique)<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">La calotte est la pi\u00e8ce qui garantit l\u2019assise correcte du chapeau sur la t\u00eate.<\/p>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">2.2. Bande lat\u00e9rale (corps)<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/006.png\" alt=\"bande lat\u00e9rale couronne bob bucket hat pi\u00e8ce du patron\" class=\"wp-image-6559\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/006.png 700w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/006-300x169.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">\u00a0Sa forme repose sur un d\u00e9veloppement rectangulaire.<\/p>\n\n\n\n<p class=\"text-justify\">Elle d\u00e9termine la hauteur du chapeau, relie la calotte au bord et d\u00e9finit le volume vertical du bob.<\/p>\n\n\n\n<p class=\"text-justify\">Caract\u00e9ristiques techniques de la bande<\/p>\n\n\n\n<p class=\"text-justify\">La longueur de la pi\u00e8ce correspond au <strong>tour de t\u00eate augment\u00e9 de l\u2019aisance<\/strong>, c\u2019est-\u00e0-dire au <strong>tour du patron (Cp)<\/strong>.<\/p>\n\n\n\n<p class=\"text-justify\">La hauteur de la bande correspond \u00e0 la <strong>hauteur lat\u00e9rale du cr\u00e2ne<\/strong>, qui peut \u00eatre augment\u00e9e selon les choix stylistiques.<\/p>\n\n\n\n<div class=\"wp-block-math\"><math display=\"block\"><semantics><mrow><mtext>Hauteur<\/mtext><mo>=<\/mo><msub><mi>H<\/mi><mtext>lateral<\/mtext><\/msub><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mtext>base<\/mtext><mo>+<\/mo><mtext>augmentation&nbsp;stylistique<\/mtext><mo form=\"postfix\" stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">\\text{Hauteur} = H_{\\text{lateral}} (\\text{base} + \\text{augmentation stylistique})<\/annotation><\/semantics><\/math><\/div>\n\n\n\n<p class=\"text-justify\">Elle peut comporter :<\/p>\n\n\n\n<ul class=\"wp-block-list text-justify\">\n<li class=\"text-justify\">\u2022 une seule couture, g\u00e9n\u00e9ralement plac\u00e9e \u00e0 l\u2019arri\u00e8re du bob<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 deux coutures, g\u00e9n\u00e9ralement plac\u00e9es sur les c\u00f4t\u00e9s<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">C\u2019est la pi\u00e8ce qui d\u00e9termine la proportion visuelle du mod\u00e8le.<\/p>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">2.3. Bord<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"394\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/007.png\" alt=\"bord du bob bucket hat pi\u00e8ce du patron chapeau\" class=\"wp-image-6566\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/007.png 700w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/007-300x169.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p class=\"text-justify\">G\u00e9om\u00e9trie : anneau circulaire modifi\u00e9 par un secteur.<\/p>\n\n\n\n<p class=\"text-justify\">Fonction<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">\u2022 Protection solaire<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 D\u00e9finition esth\u00e9tique du mod\u00e8le<\/li>\n\n\n\n<li class=\"text-justify\">\u2022 Stabilit\u00e9 structurelle inf\u00e9rieure<\/li>\n<\/ul>\n\n\n\n<p class=\"text-justify\">Caract\u00e9ristiques techniques<\/p>\n\n\n\n<p class=\"text-justify\">Le bord est construit en ouvrant un secteur fixe de <strong>\u03b8<\/strong><strong> = 46\u00b0<\/strong> sur la circonf\u00e9rence int\u00e9rieure. La longueur de la couture <strong>bord \u2194 bande<\/strong> doit \u00eatre <strong>Cp<\/strong>, mais r\u00e9partie sur un arc de :<\/p>\n\n\n\n<div class=\"wp-block-math\"><math display=\"block\"><semantics><mrow><mi>\u03b1<\/mi><mo>=<\/mo><msup><mn>360<\/mn><mo>\u2218<\/mo><\/msup><mo>\u2212<\/mo><msup><mn>46<\/mn><mo>\u2218<\/mo><\/msup><mo>=<\/mo><msup><mn>314<\/mn><mo>\u2218<\/mo><\/msup><\/mrow><annotation encoding=\"application\/x-tex\">\\alpha = 360^\\circ &#8211; 46^\\circ = 314^\\circ<\/annotation><\/semantics><\/math><\/div>\n\n\n\n<p class=\"text-justify\">Le rayon int\u00e9rieur du bord ne se calcule donc pas comme <strong>Cp\/(2\u03c0)<\/strong> mais comme :<\/p>\n\n\n\n<div class=\"wp-block-math\"><math display=\"block\"><semantics><mrow><msub><mi>R<\/mi><mrow><mi>i<\/mi><mi>n<\/mi><\/mrow><\/msub><mo>=<\/mo><mrow><mo fence=\"true\" form=\"prefix\">(<\/mo><mfrac><msub><mi>C<\/mi><mi>p<\/mi><\/msub><mrow><mn>2<\/mn><mi>\u03c0<\/mi><\/mrow><\/mfrac><mo fence=\"true\" form=\"postfix\">)<\/mo><\/mrow><mo>\u22c5<\/mo><mrow><mo fence=\"true\" form=\"prefix\">(<\/mo><mfrac><mn>360<\/mn><mn>314<\/mn><\/mfrac><mo fence=\"true\" form=\"postfix\">)<\/mo><\/mrow><\/mrow><annotation encoding=\"application\/x-tex\">R_{in} = \\left( \\frac{C_p}{2\\pi} \\right) \\cdot \\left( \\frac{360}{314} \\right)<\/annotation><\/semantics><\/math><\/div>\n\n\n\n<p class=\"text-justify\">Le rayon ext\u00e9rieur s\u2019obtient en ajoutant la largeur du bord <strong>(B)<\/strong> selon le design :<\/p>\n\n\n\n<div class=\"wp-block-math\"><math display=\"block\"><semantics><mrow><msub><mi>R<\/mi><mrow><mi>o<\/mi><mi>u<\/mi><mi>t<\/mi><\/mrow><\/msub><mo>=<\/mo><msub><mi>R<\/mi><mrow><mi>i<\/mi><mi>n<\/mi><\/mrow><\/msub><mo>+<\/mo><mi>B<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">R_{out} = R_{in} + B<\/annotation><\/semantics><\/math><\/div>\n\n\n\n<p class=\"text-justify\">Le geste esth\u00e9tique (plus de bord devant et moins derri\u00e8re) se contr\u00f4le par le d\u00e9placement vertical du centre du cercle ext\u00e9rieur.<\/p>\n\n\n\n<p class=\"text-justify\">Le bord est la pi\u00e8ce qui d\u00e9finit le caract\u00e8re du bob.<\/p>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">2.4. \u00c9l\u00e9ments compl\u00e9mentaires<\/h3>\n\n\n\n<p class=\"text-justify\">Selon la version, il peut inclure :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\"><strong>Doublure compl\u00e8te.<\/strong><\/li>\n\n\n\n<li class=\"text-justify\">Il s\u2019agit d\u2019une r\u00e9plique du sommet et de la bande lat\u00e9rale, mais elle est coup\u00e9e l\u00e9g\u00e8rement plus petite afin que, une fois mont\u00e9e, elle tire vers l\u2019int\u00e9rieur et ne provoque ni poches ni plis.<\/li>\n\n\n\n<li class=\"text-justify\"><strong>Ruban int\u00e9rieur de maintien.<\/strong><\/li>\n\n\n\n<li class=\"text-justify\"><strong>\u0152illets m\u00e9talliques de ventilation.<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">2.5. Relation entre les pi\u00e8ces<\/h3>\n\n\n\n<p class=\"text-justify\">Le syst\u00e8me est ferm\u00e9 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">La calotte doit co\u00efncider exactement avec le p\u00e9rim\u00e8tre sup\u00e9rieur de la bande.<\/li>\n\n\n\n<li class=\"text-justify\">La base de la bande doit co\u00efncider exactement avec le p\u00e9rim\u00e8tre int\u00e9rieur du bord.<\/li>\n\n\n\n<li class=\"text-justify\">L\u2019int\u00e9rieur du bord doit conserver la valeur <strong>Cp<\/strong>.<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_485d1b-89 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_485d1b-89 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_485d1b-89\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\">Table<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/Tabla-1-1024x576.png\" alt=\"tableau mesures patron bob bucket hat patron couture\" class=\"wp-image-6575\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/Tabla-1-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/Tabla-1-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/Tabla-1-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/Tabla-1-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/Tabla-1-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/Tabla-1-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">c : tour de t\u00eate<br>e : aisance<br>cp : tour du v\u00eatement<br>ioc : indice d\u2019ovalit\u00e9 cr\u00e2nienne<br>deq : diam\u00e8tre \u00e9quivalent<br>l : axe majeur<br>w : axe mineur<br>hl : hauteur lat\u00e9rale<br>wb : largeur du bord<br>rin : rayon int\u00e9rieur<br>rout : rayon ext\u00e9rieur<br>glo : angle du secteur (degr\u00e9s)<br>descforrH : r\u00e9duction horizontale de doublure<br>descforrV : r\u00e9duction verticale de doublure<br>desplCenr : d\u00e9placement du centre<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_90b532-b5 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_90b532-b5 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_90b532-b5\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\">Processus de construction<\/h2>\n\n\n\n<p class=\"text-justify\">Tous les calculs n\u00e9cessaires \u00e0 la construction du bob se trouvent dans la table pr\u00e9c\u00e9dente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">Trac\u00e9 de la calotte<\/h3>\n\n\n\n<p class=\"text-justify\">Tracer une ellipse dont les axes sont <strong>l<\/strong> et <strong>w<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/008-Elipse-tapa-1024x576.png\" alt=\"trac\u00e9 ellipse calotte bob bucket hat patron couture\" class=\"wp-image-6583\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/008-Elipse-tapa-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/008-Elipse-tapa-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/008-Elipse-tapa-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/008-Elipse-tapa-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/008-Elipse-tapa-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/008-Elipse-tapa-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">Trac\u00e9 de la bande lat\u00e9rale<\/h3>\n\n\n\n<p class=\"text-justify\">Tracer un rectangle dont la base correspond \u00e0 <strong>la moiti\u00e9 du tour du v\u00eatement<\/strong> (tour de t\u00eate <strong>C<\/strong> plus aisance <strong>E<\/strong>).<\/p>\n\n\n\n<p class=\"text-justify\">La hauteur est \u00e9gale \u00e0 la <strong>hauteur lat\u00e9rale (hl)<\/strong>.<\/p>\n\n\n\n<p class=\"text-justify\">Comme seule la moiti\u00e9 du tour est trac\u00e9e, il faut placer <strong>le symbole de pli<\/strong> afin d\u2019obtenir la pi\u00e8ce compl\u00e8te.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/009-1024x576.png\" alt=\"trac\u00e9 bande lat\u00e9rale bob bucket hat patron rectangle\" class=\"wp-image-6591\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/009-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/009-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/009-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/009-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/009-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/009-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">Trac\u00e9 du rayon int\u00e9rieur (rin)<\/h3>\n\n\n\n<p class=\"text-justify\">Tracer un cercle.<\/p>\n\n\n\n<p class=\"text-justify\">Depuis le centre, tracer un <strong>triangle isoc\u00e8le<\/strong> avec l\u2019angle du secteur (<strong>glo<\/strong>). Marquer les c\u00f4t\u00e9s de la future couronne circulaire.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/010-1024x576.png\" alt=\"trac\u00e9 secteur bord bob bucket hat rayon int\u00e9rieur rin angle secteur glo\" class=\"wp-image-6599\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/010-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/010-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/010-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/010-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/010-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/010-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading text-justify has-medium-font-size\">D\u00e9terminer le rayon ext\u00e9rieur (rout)<\/h3>\n\n\n\n<p class=\"text-justify\">Calculer la valeur du <strong>rayon ext\u00e9rieur<\/strong> et d\u00e9terminer le <strong>d\u00e9placement du centre<\/strong> de la circonf\u00e9rence ext\u00e9rieure.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/011-1024x576.png\" alt=\"rayon ext\u00e9rieur rout bord bob bucket hat d\u00e9placement centre patron\" class=\"wp-image-6607\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/011-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/011-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/011-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/011-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/011-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/011-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">Puis d\u00e9placer ce centre verticalement \u00e0 partir du centre du premier cercle selon la valeur indiqu\u00e9e dans la table.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/012-1024x576.png\" alt=\"d\u00e9placement centre bord bob bucket hat patron cercle\" class=\"wp-image-6616\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/012-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/012-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/012-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/012-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/012-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/012-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">Le trac\u00e9 des pi\u00e8ces principales du bob est maintenant termin\u00e9.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/014-1024x576.png\" alt=\"pi\u00e8ces patron bob bucket hat sommet bande bord\" class=\"wp-image-6624\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/014-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/014-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/014-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/014-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/014-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/014-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">Ajouter les marges de couture.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/015-1024x576.png\" alt=\"marges couture patron bob bucket hat\" class=\"wp-image-6632\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/015-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/015-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/015-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/015-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/015-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/015-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"text-justify\">Si le bob est doubl\u00e9, il est conseill\u00e9 de r\u00e9duire les valeurs indiqu\u00e9es dans la table pour la pi\u00e8ce lat\u00e9rale afin d\u2019\u00e9viter que la doublure ne cr\u00e9e des plis \u00e0 l\u2019ext\u00e9rieur.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/016-1024x576.png\" alt=\"patron bob doublure ajustement bande lat\u00e9rale \u00e9viter plis\" class=\"wp-image-6640\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/016-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/016-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/016-768x432.png 768w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/016-1536x864.png 1536w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/016-2048x1152.png 2048w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2026\/03\/016-1320x743.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_e3795b-05 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_e3795b-05 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_e3795b-05\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\"><strong>Rag du bob<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-9-16 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Gorro de pescador: origen y geometr\u00eda del bucket hat\" width=\"563\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/-dxpGdbnFHw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-6650_71cd7c-b4 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-6650_71cd7c-b4 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-6650_71cd7c-b4\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading text-justify has-medium-font-size\"><strong>Patron personnalis\u00e9<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/10\/enConstruccion2000-1024x576.png\" alt=\"Dessin d\u2019un ma\u00e7on posant des briques devant un jardin avec fontaine, symbole d\u2019un travail en cours de construction\" class=\"wp-image-2860\" style=\"width:700px\" srcset=\"https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/10\/enConstruccion2000-1024x576.png 1024w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/10\/enConstruccion2000-300x169.png 300w, https:\/\/tevipa.com\/blog\/wp-content\/uploads\/2025\/10\/enConstruccion2000.png 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Le bob \u2014 connu internationalement sous le nom de bucket hat \u2014 est un chapeau \u00e0 calotte souple avec un bord inclin\u00e9 qui entoure toute la t\u00eate. Cet article explique son origine, sa logique g\u00e9om\u00e9trique et la m\u00e9thode de patronage permettant de construire le mod\u00e8le \u00e0 partir des mesures r\u00e9elles de la t\u00eate.<\/p>\n","protected":false},"author":1,"featured_media":6505,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1347,1010,1101,1357,605],"tags":[2116,1369,145,169,257,249,265,692,48,56,680],"class_list":["post-6650","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accessoire","category-blog-fr","category-blog-short-fr","category-casquette","category-patron-fr","tag-bob","tag-casquette","tag-creation-de-mode","tag-ecole-de-mode","tag-modelisme","tag-patron-fr","tag-patrons","tag-technique-de-modelisme","tag-tele-virtual-patronage-fr","tag-televirtualpatronage-fr","tag-tutoriel-de-modelisme"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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