{"id":227,"date":"2017-01-07T11:39:00","date_gmt":"2017-01-07T11:39:00","guid":{"rendered":"https:\/\/potatodie.nl\/diffuse-write-ups\/?p=227"},"modified":"2020-05-31T11:40:49","modified_gmt":"2020-05-31T11:40:49","slug":"sharp-edges-on-smooth-models","status":"publish","type":"post","link":"https:\/\/potatodie.nl\/diffuse-write-ups\/sharp-edges-on-smooth-models\/","title":{"rendered":"Sharp edges on smooth models"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">How to create a smooth looking object that also has sharp edges like this disc in Blender 2.8:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/01\/cylinder_met_gat.png\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"740\" src=\"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/01\/cylinder_met_gat.png\" alt=\"Rendered image of smooth disc with sharp edges\" class=\"wp-image-228\" srcset=\"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/01\/cylinder_met_gat.png 960w, https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/01\/cylinder_met_gat-300x231.png 300w, https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/01\/cylinder_met_gat-768x592.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">To do that, apply smoothing to both the geometry of the model and the appearance of the surface. In both cases prevent the smoothing to occur at the edges that must remain sharp as explained below.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Smooth the mesh<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Use the <em>Subdivision Surface<\/em> modifier to smoothen the mesh. Set the value of the <em>Crease <\/em>property of the edges that need to be sharp by selecting those edges, press <code>Shift-E<\/code>, then enter 1. The shortcut <code>Alt-LMB<\/code> to select an edge loop comes in handy here.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Edge Crease <\/em>is also available in the <em>Edge <\/em>menu in <em>Edit <\/em>mode.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Smooth the surface<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Activate <em>Smooth shading<\/em> of the model to render each point using interpolated normals. As above, prevent the smoothing effect in undesirable places. This can be done by activating <em>Auto Smooth<\/em>, which is found under <em>Object Data Properties\/Normals.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"327\" height=\"518\" src=\"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/05\/autosmooth.png\" alt=\"\" class=\"wp-image-591\" srcset=\"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/05\/autosmooth.png 327w, https:\/\/potatodie.nl\/diffuse-write-ups\/wp-content\/uploads\/2020\/05\/autosmooth-189x300.png 189w\" sizes=\"auto, (max-width: 327px) 100vw, 327px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Auto Smooth <\/em>replaces the <em>Edge Split<\/em> modifier. It is advised not to use that modifier any longer.<\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>How to create a smooth looking object that also has sharp edges like this disc in Blender 2.8: To do that, apply smoothing to both the geometry of the model and the appearance of the surface. In both cases prevent the smoothing to occur at the edges that must remain sharp as explained below. Smooth [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,28],"tags":[],"class_list":["post-227","post","type-post","status-publish","format-standard","hentry","category-3d","category-blender"],"acf":[],"_links":{"self":[{"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/posts\/227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/comments?post=227"}],"version-history":[{"count":5,"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/posts\/227\/revisions"}],"predecessor-version":[{"id":599,"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/posts\/227\/revisions\/599"}],"wp:attachment":[{"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/media?parent=227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/categories?post=227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/potatodie.nl\/diffuse-write-ups\/wp-json\/wp\/v2\/tags?post=227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}