{"id":2569,"date":"2019-10-29T01:21:46","date_gmt":"2019-10-29T01:21:46","guid":{"rendered":"https:\/\/3d.ricoh.com\/how-to-prepare-stl-files\/"},"modified":"2025-09-18T07:58:31","modified_gmt":"2025-09-18T07:58:31","slug":"how-to-prepare-stl-files","status":"publish","type":"page","link":"https:\/\/3d.ricoh.com\/fr\/ressources\/centre-dassistance\/how-to-prepare-stl-files\/","title":{"rendered":"Comment pr\u00e9parer les fichiers STL"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Nous acceptons les types de fichiers suivants (3DS, AMF, CATPART, IGS, IGES, JT, PRT, SAT, SKP, STP, STEP ou STL). Cependant, le format accept\u00e9 par la plupart des imprimantes 3D est le STL. Vous pouvez nous envoyer le fichier STL, sinon nos ing\u00e9nieurs convertiront votre conception avec les param\u00e8tres optimaux. <\/h4>\n\n<p>Les fichiers STL d\u00e9crivent uniquement la g\u00e9om\u00e9trie de surface d&rsquo;un objet tridimensionnel sans aucune repr\u00e9sentation de couleur, de texture ou d&rsquo;autres attributs courants du mod\u00e8le CAO.  <\/p>\n\n<p>Le format STL approxime les surfaces d&rsquo;un mod\u00e8le solide avec un certain nombre de petits triangles.<\/p>\n\n<p>Un objet carr\u00e9 simple, illustr\u00e9 ci-dessous, est simple \u00e0 traduire pour le format STL et le convertirait en un nombre minimum de triangles pour approximer la surface comme indiqu\u00e9.<\/p>\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"856\" height=\"402\" src=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-Files.png\" alt=\"Pr&#xE9;paration des fichiers STL\" class=\"wp-image-2144\" srcset=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-Files.png 856w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-Files-300x141.png 300w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-Files-768x361.png 768w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-Files-200x94.png 200w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-Files-600x282.png 600w\" sizes=\"auto, (max-width: 856px) 100vw, 856px\" \/><\/figure>\n\n<p>Lors de la conversion d&rsquo;objets de forme organique au format STL, il faut tenir compte de la mani\u00e8re dont les \u00e9l\u00e9ments courbes seront traduits en petits triangles.<\/p>\n\n<p>Lorsqu&rsquo;un objet \u00e0 surface courbe est cr\u00e9\u00e9 au format CAO natif, sa g\u00e9om\u00e9trie repr\u00e9sente l&rsquo;intention de conception. Prenons l&rsquo;exemple d&rsquo;un cercle\u00a0: un zoom sur la pi\u00e8ce r\u00e9v\u00e8le que la surface courbe est lisse, comme pr\u00e9vu par le concepteur. <\/p>\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"377\" src=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/Organic-STL-File-1024x377.png\" alt=\"Fichier STL organique\" class=\"wp-image-2149\" srcset=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/Organic-STL-File-1024x377.png 1024w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/Organic-STL-File-300x110.png 300w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/Organic-STL-File-768x283.png 768w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/Organic-STL-File-200x74.png 200w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/Organic-STL-File-600x221.png 600w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/Organic-STL-File.png 1029w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p>Si nous comparons cela au fichier STL traduit, nous pouvons voir que la surface est tr\u00e8s diff\u00e9rente car les triangles ont approxim\u00e9 la surface.<\/p>\n\n<p>Chaque format CAO natif poss\u00e8de des param\u00e8tres de conversion STL qui peuvent \u00eatre optimis\u00e9s pour l&rsquo;impression 3D. Si les param\u00e8tres sont trop \u00e9lev\u00e9s, nous obtiendrons trop de triangles, ce qui rendra le fichier de donn\u00e9es tr\u00e8s volumineux. Si les param\u00e8tres sont trop bas, nous verrons des triangles sur l&rsquo;objet \u00e0 l&rsquo;impression et la surface sera facett\u00e9e plut\u00f4t que lisse. Il est recommand\u00e9 de sp\u00e9cifier une r\u00e9solution moyenne pour limiter la taille du fichier, mais assurez-vous que le fichier STL repr\u00e9sente bien le design souhait\u00e9.   <\/p>\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"428\" src=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-File-1024x428.png\" alt=\"Diagramme de fichier STL\" class=\"wp-image-2153\" srcset=\"https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-File-1024x428.png 1024w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-File-300x125.png 300w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-File-768x321.png 768w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-File-200x84.png 200w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-File-600x251.png 600w, https:\/\/3d.ricoh.com\/wp-content\/uploads\/2019\/10\/STL-File.png 1345w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p><\/p>\n\n<p><\/p>\n\n<p>Chaque logiciel de CAO propose des param\u00e8tres recommand\u00e9s diff\u00e9rents pour la conversion des fichiers au format STL. L&rsquo;\u00e9quipe Ricoh 3D peut vous accompagner dans cette conversion, ou vous pouvez simplement envoyer vos donn\u00e9es brutes \u00e0 <a href=\"mailto:3DEnquiries@ricoh-rpl.com\">3DEnquiries@ricoh-rpl.com<\/a> afin que nos ing\u00e9nieurs traduisent le fichier pour vous. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ricoh 3D accepte plusieurs types de fichiers, mais le format STL est le format accept\u00e9 par la plupart des imprimantes 3D. Vous pouvez pr\u00e9f\u00e9rer nous envoyer le fichier STL, sinon nos ing\u00e9nieurs convertiront votre conception avec les param\u00e8tres optimaux. <\/p>\n","protected":false},"author":267,"featured_media":2129,"parent":4388,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2569","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Centre d&#039;aide Ricoh 3D - Pr\u00e9paration des fichiers STL pour l&#039;impression 3D<\/title>\n<meta name=\"description\" content=\"Le format le plus r\u00e9pandu sur la plupart des imprimantes 3D est le STL. 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