{"id":3318,"date":"2016-01-31T15:55:05","date_gmt":"2016-01-31T14:55:05","guid":{"rendered":"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/?p=3318"},"modified":"2018-10-18T18:47:39","modified_gmt":"2018-10-18T17:47:39","slug":"sur-le-dos-dun-elephant","status":"publish","type":"post","link":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/?p=3318","title":{"rendered":"Sur le dos d&rsquo;un \u00e9l\u00e9phant"},"content":{"rendered":"<p>L&rsquo;objet\u00a0cr\u00e9\u00e9 servira de fourre-tout dispos\u00e9 \u00e0 l&rsquo;entr\u00e9e d&rsquo;un appartement. Il devra donc servir \u00e0 poser quelques objets l\u00e9gers (des lettres par exemples), \u00e0 d\u00e9poser des clefs.<br \/>\nJ&rsquo;ai donc commenc\u00e9 par dessiner en coupe une courbe form\u00e9e d&rsquo;une bosse puis d&rsquo;un creux. Je passe ensuite directement sur le logiciel Rhinoceros 3D pour r\u00e9fl\u00e9chir en trois dimensions. Je dessine des courbes qui serviront de guides pour les diff\u00e9rentes surfaces de l&rsquo;objet.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3321\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/021-300x265.png\" alt=\"02\" width=\"300\" height=\"265\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/021-300x265.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/021.png 341w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>La partie servant de support est plut\u00f4t clairement d\u00e9finie mais la partie en creux pour d\u00e9poser les clefs n\u00e9cessite un affinage dans sa forme. Je proc\u00e8de \u00e0 une recherche en dessinant diff\u00e9rentes courbes guides possibles. L&rsquo;arri\u00e8re \u00e9tant d\u00e9fini, je cr\u00e9e une surface par section.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3322\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/031-300x256.png\" alt=\"03\" width=\"300\" height=\"256\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/031-300x256.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/031.png 472w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3323\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/041-300x222.png\" alt=\"04\" width=\"300\" height=\"222\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/041-300x222.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/041.png 430w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Je me rends compte que ma forme dessine une sorte d&rsquo;\u00e9l\u00e9phant dont la partie servant \u00e0 d\u00e9poser les clefs constitue la trompe.<\/p>\n<p>Je passe donc au dessin de ses pattes sur la partie arri\u00e8re : en extrudant le dessin en \u00e9l\u00e9vation du profil des p\u00e2tes, je peux extraire les surplus de la surface principale.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3324\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/051-300x164.png\" alt=\"05\" width=\"300\" height=\"164\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/051-300x164.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/051.png 745w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3325\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/061-300x172.png\" alt=\"06\" width=\"300\" height=\"172\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/061-300x172.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/061.png 618w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>La &lsquo;tromp&rsquo; sera finalement un objet plus libre par rapport \u00e0 l&rsquo;arri\u00e8re que ce que j&rsquo;avais pr\u00e9vu.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3326\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/071-300x243.png\" alt=\"07\" width=\"300\" height=\"243\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/071-300x243.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/071.png 477w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Une fois cette surface obtenue, je l&rsquo;extrude de 2cm avec la commande _offsetsrf. 2 cm semble une bonne \u00e9paisseur pour les sections.<\/p>\n<p>Je converti le fichier .3dm en .obj pour l&rsquo;importer dans le logiciel 123make et proc\u00e9der au d\u00e9coupage en sections du mod\u00e8le, afin d&rsquo;en r\u00e9aliser la maquette.<\/p>\n<p>Une fois dans le logiciel, je recherche l&rsquo;angle avec lequel les sections se croiserons pour des raisons esth\u00e9tiques et de stabilit\u00e9.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3331\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0002-300x148.png\" alt=\"0002\" width=\"300\" height=\"148\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0002-300x148.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0002-1024x505.png 1024w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0002.png 1363w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3332\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0003-300x140.png\" alt=\"0003\" width=\"300\" height=\"140\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0003-300x140.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0003-1024x479.png 1024w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/0003.png 1365w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3333\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/081-300x152.png\" alt=\"08\" width=\"300\" height=\"152\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/081-300x152.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/081-1024x517.png 1024w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/081.png 1356w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3336\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/rech-orientation-traches-300x156.png\" alt=\"rech orientation traches\" width=\"300\" height=\"156\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/rech-orientation-traches-300x156.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/rech-orientation-traches-1024x534.png 1024w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/rech-orientation-traches.png 1365w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Le r\u00e9sultat final est le suivant : Les sections verticales (longueur) restent verticales et les horizontales prennent un angle d&rsquo;une\u00a030aine de degr\u00e9s.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3338\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/Capture-300x257.png\" alt=\"Capture\" width=\"300\" height=\"257\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/Capture-300x257.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/Capture.png 684w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Il faut maintenant exporter les courbes des sections en .dxf pour les trier sur Rhinoceros et les envoyer \u00e0 l&rsquo;impression.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3334\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/091-300x169.png\" alt=\"09\" width=\"300\" height=\"169\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/091-300x169.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/091-1024x577.png 1024w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/091.png 1362w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3339\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/Capture\u00e9-300x138.png\" alt=\"Capture\u00e9\" width=\"300\" height=\"138\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/Capture\u00e9-300x138.png 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/Capture\u00e9.png 1004w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>L&rsquo;impression se d\u00e9roule sans encombre. Place \u00e0 l&rsquo;assemblage<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3340\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160112_134942-300x225.jpg\" alt=\"IMG_20160112_134942\" width=\"300\" height=\"225\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160112_134942-300x225.jpg 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160112_134942-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3341\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_133113-300x225.jpg\" alt=\"IMG_20160114_133113\" width=\"300\" height=\"225\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_133113-300x225.jpg 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_133113-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3342\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_145933-300x225.jpg\" alt=\"IMG_20160114_145933\" width=\"300\" height=\"225\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_145933-300x225.jpg 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_145933-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3343\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154129-300x225.jpg\" alt=\"IMG_20160114_154129\" width=\"300\" height=\"225\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154129-300x225.jpg 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154129-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3344\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154142-300x225.jpg\" alt=\"IMG_20160114_154142\" width=\"300\" height=\"225\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154142-300x225.jpg 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154142-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-3345\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154202-300x225.jpg\" alt=\"IMG_20160114_154202\" width=\"300\" height=\"225\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154202-300x225.jpg 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_154202-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3346\" src=\"http:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_155258-300x225.jpg\" alt=\"IMG_20160114_155258\" width=\"603\" height=\"452\" srcset=\"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_155258-300x225.jpg 300w, https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/wp-content\/uploads\/2016\/01\/IMG_20160114_155258-1024x768.jpg 1024w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;objet\u00a0cr\u00e9\u00e9 servira de fourre-tout dispos\u00e9 \u00e0 l&rsquo;entr\u00e9e d&rsquo;un appartement. Il devra donc servir \u00e0 poser quelques objets l\u00e9gers (des lettres par exemples), \u00e0 d\u00e9poser des clefs. J&rsquo;ai donc commenc\u00e9 par dessiner en coupe une courbe form\u00e9e d&rsquo;une bosse puis d&rsquo;un creux. Je passe ensuite directement sur le logiciel Rhinoceros 3D pour r\u00e9fl\u00e9chir en trois dimensions. Je dessine des courbes qui serviront de guides pour les diff\u00e9rentes surfaces de l&rsquo;objet. La partie servant de support est plut\u00f4t clairement d\u00e9finie mais la partie en creux pour d\u00e9poser les clefs n\u00e9cessite un affinage dans sa forme. Je proc\u00e8de \u00e0 une recherche en dessinant diff\u00e9rentes courbes guides possibles. L&rsquo;arri\u00e8re \u00e9tant d\u00e9fini, je cr\u00e9e une surface par section. Je me rends compte que ma forme dessine une sorte d&rsquo;\u00e9l\u00e9phant dont la partie servant \u00e0 d\u00e9poser les clefs constitue la trompe. Je passe donc au dessin de ses pattes sur la partie arri\u00e8re : en extrudant le dessin en \u00e9l\u00e9vation du profil des p\u00e2tes, je peux extraire les surplus de la surface principale. La &lsquo;tromp&rsquo; sera finalement un objet plus libre par rapport \u00e0 l&rsquo;arri\u00e8re que ce que j&rsquo;avais pr\u00e9vu. &nbsp; Une fois cette surface obtenue, je l&rsquo;extrude de 2cm avec la commande _offsetsrf. 2 cm [&hellip;]<\/p>\n","protected":false},"author":87,"featured_media":3346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64],"tags":[],"_links":{"self":[{"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=\/wp\/v2\/posts\/3318"}],"collection":[{"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=\/wp\/v2\/users\/87"}],"replies":[{"embeddable":true,"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3318"}],"version-history":[{"count":3,"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=\/wp\/v2\/posts\/3318\/revisions"}],"predecessor-version":[{"id":3349,"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=\/wp\/v2\/posts\/3318\/revisions\/3349"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=\/wp\/v2\/media\/3346"}],"wp:attachment":[{"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sapi.paris-lavillette.archi.fr\/CTID924\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}