{"id":521,"date":"2017-11-06T18:24:01","date_gmt":"2017-11-06T08:24:01","guid":{"rendered":"https:\/\/mindbleach.com\/words\/?p=521"},"modified":"2017-11-06T19:30:35","modified_gmt":"2017-11-06T09:30:35","slug":"knife-cover","status":"publish","type":"post","link":"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/","title":{"rendered":"3D Printed Knife Cover"},"content":{"rendered":"<p>Eating at a picnic spot or wilderness campsite is great, but prep can be tricky.<br \/>\nYou still want decent kitchen utensils, but for knives there&#8217;s a downside to having something sharp and pointy rattling around in your belongings!<\/p>\n<p>When you have a 3D printer, problems like this have an easy solution&#8230;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-533 size-large\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IKEA-365-Utility-Knife-0278334_PE417922_S5-1024x190.jpg\" alt=\"Capable and SHARP.\" width=\"584\" height=\"108\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IKEA-365-Utility-Knife-0278334_PE417922_S5-1024x190.jpg 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IKEA-365-Utility-Knife-0278334_PE417922_S5-300x56.jpg 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IKEA-365-Utility-Knife-0278334_PE417922_S5-768x142.jpg 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IKEA-365-Utility-Knife-0278334_PE417922_S5-500x93.jpg 500w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IKEA-365-Utility-Knife-0278334_PE417922_S5.jpg 1993w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/p>\n<p><!--more--><\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"https:\\\/\\\/mindbleach.com\\\/words\\\/2017\\\/11\\\/06\\\/knife-cover\\\/\"}' class=\"tiled-gallery type-rectangular\" data-original-width=\"584\"><div class=\"gallery-row\" style=\"width: 579px; height: 252px;\"><div class=\"gallery-group images-2\" style=\"width: 238px; height: 256px;\"><div class=\"tiled-gallery-item tiled-gallery-item-small\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171105_210910\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"523\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768.jpg\" data-orig-size=\"4048,1254\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509916151&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;404&quot;,&quot;shutter_speed&quot;:&quot;0.008328&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171105_210910\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-300x93.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-1024x317.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-234x72.jpg\" width=\"234\" height=\"72\" align=\"left\" title=\"IMG_20171105_210910\" \/><\/a><\/div><div class=\"tiled-gallery-item tiled-gallery-item-small\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/untitled_2017-nov-05_09-51-26pm-000_customizedview4328453153_png\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"541\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/Untitled_2017-Nov-05_09-51-26PM-000_CustomizedView4328453153_png.png\" data-orig-size=\"772,579\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Untitled_2017-Nov-05_09-51-26PM-000_CustomizedView4328453153_png\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/Untitled_2017-Nov-05_09-51-26PM-000_CustomizedView4328453153_png-300x225.png\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/Untitled_2017-Nov-05_09-51-26PM-000_CustomizedView4328453153_png.png\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/Untitled_2017-Nov-05_09-51-26PM-000_CustomizedView4328453153_png-234x176.png\" width=\"234\" height=\"176\" align=\"left\" title=\"Untitled_2017-Nov-05_09-51-26PM-000_CustomizedView4328453153_png\" \/><\/a><\/div><\/div><div class=\"gallery-group images-1\" style=\"width: 341px; height: 256px;\"><div class=\"tiled-gallery-item tiled-gallery-item-large\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_012308\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"530\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308.jpg\" data-orig-size=\"4048,3036\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509931388&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;1061&quot;,&quot;shutter_speed&quot;:&quot;0.066667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_012308\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308-300x225.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308-1024x768.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308-337x252.jpg\" width=\"337\" height=\"252\" align=\"left\" title=\"IMG_20171106_012308\" \/><\/a><\/div><\/div><\/div><\/div>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/myhub.autodesk360.com\/ue293cb16\/shares\/public\/SH7f1edQT22b515c761e464b766e45311580?mode=embed\" width=\"640\" height=\"480\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Printed in translucent PLA on a Malyan M200 (aka MP Select Mini) printer.<br \/>\nNo supports; the bridging performance of the slicer and printer are great.<br \/>\n<em>(so it &#8216;bridges&#8217; the top parts without any sagging or dropped filament)<\/em><\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"https:\\\/\\\/mindbleach.com\\\/words\\\/2017\\\/11\\\/06\\\/knife-cover\\\/\"}' class=\"tiled-gallery type-rectangular\" data-original-width=\"584\"><div class=\"gallery-row\" style=\"width: 579px; height: 405px;\"><div class=\"gallery-group images-2\" style=\"width: 271px; height: 409px;\"><div class=\"tiled-gallery-item tiled-gallery-item-large\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_010014\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"524\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010014.jpg\" data-orig-size=\"4048,3036\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509930015&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;295&quot;,&quot;shutter_speed&quot;:&quot;0.007995&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_010014\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010014-300x225.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010014-1024x768.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010014-267x201.jpg\" width=\"267\" height=\"201\" align=\"left\" title=\"IMG_20171106_010014\" \/><\/a><\/div><div class=\"tiled-gallery-item tiled-gallery-item-large\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_010034\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"525\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010034.jpg\" data-orig-size=\"4048,3036\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509930034&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;1157&quot;,&quot;shutter_speed&quot;:&quot;0.041672&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_010034\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010034-300x225.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010034-1024x768.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010034-267x200.jpg\" width=\"267\" height=\"200\" align=\"left\" title=\"IMG_20171106_010034\" \/><\/a><\/div><\/div><div class=\"gallery-group images-1\" style=\"width: 308px; height: 409px;\"><div class=\"tiled-gallery-item tiled-gallery-item-large\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_010152\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"527\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010152.jpg\" data-orig-size=\"3036,4048\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509930112&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;1061&quot;,&quot;shutter_speed&quot;:&quot;0.066667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_010152\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010152-225x300.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010152-768x1024.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010152-304x405.jpg\" width=\"304\" height=\"405\" align=\"left\" title=\"IMG_20171106_010152\" \/><\/a><\/div><\/div><\/div><div class=\"gallery-row\" style=\"width: 579px; height: 166px;\"><div class=\"gallery-group images-1\" style=\"width: 225px; height: 170px;\"><div class=\"tiled-gallery-item tiled-gallery-item-small\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_010037\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"526\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010037.jpg\" data-orig-size=\"4048,3036\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509930037&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;1117&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_010037\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010037-300x225.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010037-1024x768.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010037-221x166.jpg\" width=\"221\" height=\"166\" align=\"left\" title=\"IMG_20171106_010037\" \/><\/a><\/div><\/div><div class=\"gallery-group images-1\" style=\"width: 129px; height: 170px;\"><div class=\"tiled-gallery-item tiled-gallery-item-small\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_010158\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"529\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010158.jpg\" data-orig-size=\"3036,4048\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509930118&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;1061&quot;,&quot;shutter_speed&quot;:&quot;0.066667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_010158\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010158-225x300.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010158-768x1024.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_010158-125x166.jpg\" width=\"125\" height=\"166\" align=\"left\" title=\"IMG_20171106_010158\" \/><\/a><\/div><\/div><div class=\"gallery-group images-1\" style=\"width: 225px; height: 170px;\"><div class=\"tiled-gallery-item tiled-gallery-item-small\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_012334\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"522\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012334.jpg\" data-orig-size=\"4048,3036\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509931414&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;1383&quot;,&quot;shutter_speed&quot;:&quot;0.066667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_012334\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012334-300x225.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012334-1024x768.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012334-221x166.jpg\" width=\"221\" height=\"166\" align=\"left\" title=\"IMG_20171106_012334\" \/><\/a><\/div><\/div><\/div><div class=\"gallery-row\" style=\"width: 579px; height: 431px;\"><div class=\"gallery-group images-1\" style=\"width: 579px; height: 435px;\"><div class=\"tiled-gallery-item tiled-gallery-item-large\"><a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/img_20171106_012308\/\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"530\" data-orig-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308.jpg\" data-orig-size=\"4048,3036\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1509931388&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;1061&quot;,&quot;shutter_speed&quot;:&quot;0.066667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20171106_012308\" data-image-description=\"\" data-medium-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308-300x225.jpg\" data-large-file=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308-1024x768.jpg\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171106_012308-575x431.jpg\" width=\"575\" height=\"431\" align=\"left\" title=\"IMG_20171106_012308\" \/><\/a><\/div><\/div><\/div><\/div>\n<p>You can download the model at\u00a0<a href=\"https:\/\/www.thingiverse.com\/thing:2628653\">https:\/\/www.thingiverse.com\/thing:2628653<\/a><\/p>\n<p>If you have a different type of knife, you will need to create your own model.<br \/>\nIt&#8217;s often best to create the <b>real-world<\/b> object in CAD first, then build your model around it. <em>(So that you can ensure it all fits together)<\/em><br \/>\nHere is a quick guide to modelling a knife blade in Fusion 360;<\/p>\n<h2>1. Capture<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-523\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-1024x317.jpg\" alt=\"\" width=\"584\" height=\"181\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-1024x317.jpg 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-300x93.jpg 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-768x238.jpg 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/IMG_20171105_210910-e1509922997768-500x155.jpg 500w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/p>\n<p>The cover needs to fit well, so the first step is to measure the knife!<br \/>\nFor flat objects, a good technique is to photograph it against a calibrated background like this cutting mat.<\/p>\n<p>Insert the picture into a new Fusion design using the <strong>Insert &gt;\u00a0Attached Canvas<\/strong>\u00a0feature. Select the plane and the file, and press <strong>OK<\/strong>. Don&#8217;t worry about the size in the first step.<\/p>\n<p>Now, to calibrate the size of the sketch, right-click on the canvas in the browser and select\u00a0<strong>Calibrate<\/strong>.<\/p>\n<ul>\n<li>Zoom in on one end of your ruler or grid, and carefully click on the start point.<\/li>\n<li>Then zoom out, zoom in on the other end, and carefully click on the end point.<br \/>\n<em>This tool isn&#8217;t as easy as it could be &#8211; a tiny text box pops up\u00a0<strong>somewhere<\/strong> on the screen &#8211; you&#8217;ll have to find it.<\/em><\/li>\n<li>Type in the real distance between those two points and press enter to size the canvas correctly.<br \/>\n<em>For example &#8211; if you used the &#8216;0&#8217; and the &#8217;15&#8217; in the picture below, enter &#8216;150 mm&#8217;.<\/em><\/li>\n<\/ul>\n<h2>2. Sketching<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-535\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_canvas-1024x471.png\" alt=\"\" width=\"584\" height=\"269\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_canvas-1024x471.png 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_canvas-300x138.png 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_canvas-768x353.png 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_canvas-500x230.png 500w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_canvas.png 1177w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/p>\n<p>There is no <em>&#8220;make this an outline for me&#8221; <\/em>short cut, but it&#8217;s fairly easy to draw around a canvas.<\/p>\n<ul>\n<li>Create a new sketch on the same plane as the canvas.<\/li>\n<li>Draw, trying to match the lines up with the photograph.\n<ul>\n<li>Don&#8217;t worry about getting it right first go, you can come back and move the lines around.<\/li>\n<li>For curved shapes like a knife, the <strong>Spline<\/strong> tool is very useful.<br \/>\n<em>Place the points down first, then click on the tick mark.<br \/>\nCome back and click on the points, then adjust the handles to set your curve.<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Once the outline is in place, we&#8217;ll want to draw some vertical lines into the sketch.<br \/>\nWhy? Because a knife is not a single extrusion, the cross section changes in interesting ways. Ensure<\/p>\n<p>The best tool to use on a shape like this is the\u00a0<strong>Loft <\/strong>tool.<br \/>\nIt needs a sketch at each section of the shape:<\/p>\n<p><strong>3. Sections<\/strong><\/p>\n<p>Sketches need to go on planes, so first let&#8217;s create some.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-536\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_planes-1024x327.png\" alt=\"\" width=\"584\" height=\"186\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_planes-1024x327.png 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_planes-300x96.png 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_planes-768x245.png 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_planes-500x160.png 500w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_planes.png 1535w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><br \/>\nThe\u00a0<strong>Construct &gt; Plane at Angle <\/strong>tool creates a new plane from a line.<\/p>\n<ul>\n<li>Select a line from the first sketch, then use the\u00a0<strong>Plane at Angle<\/strong> tool.<br \/>\nAdjust the angle to ensure that the plane is at a right angle to the canvas and first sketch, and click\u00a0<strong>OK<\/strong>.<\/li>\n<li>Repeat for the rest of the object, and name your planes sequentially.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-537\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_knife_sketches-1024x367.png\" alt=\"\" width=\"584\" height=\"209\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_knife_sketches-1024x367.png 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_knife_sketches-300x107.png 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_knife_sketches-768x275.png 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_knife_sketches-500x179.png 500w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_knife_sketches.png 1482w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/p>\n<p>Create a sketch on each of these planes, with the cross section of the knife at that point based on measurements &#8211; eg the blade cross sections are narrow triangles, intersecting with the ends of those lines. The handle is a narrow trapezoid.<br \/>\n<strong>Note:<\/strong> Make sure your section profiles intersect the knife outline; use &#8216;project&#8217; on the plane-construction lines and have those lines be coincident or midpoint to the ends.<br \/>\n<em>This is to make the loft operation easier.<\/em><\/p>\n<h2>4. Lofting<\/h2>\n<p>The\u00a0<strong>Loft\u00a0<\/strong>tool is similar to the <strong>Extrude<\/strong> tool. However, the shape of the cross-section <span style=\"text-decoration: underline;\">changes<\/span>\u00a0smoothly from one sketch profile to the next. (and the next, and the next&#8230;)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-538 size-medium\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/transition_rectangulat_to_round1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/transition_rectangulat_to_round1-300x300.jpg 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/transition_rectangulat_to_round1-150x150.jpg 150w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/transition_rectangulat_to_round1.jpg 500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><em>Consider this air duct joiner that goes from square to round.<\/em><br \/>\n<em>The <strong>Loft<\/strong> tool is\u00a0perfect for this shape &#8211; a sketch is created at one end with a square, and a sketch at the other end with a circle, and a <b>loft\u00a0<\/b>is created\u00a0from one shape to the other.<\/em><\/p>\n<p>Those cross section sketches made previously are now going to be lofted.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-539\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft1-1024x378.png\" alt=\"\" width=\"584\" height=\"216\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft1-1024x378.png 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft1-300x111.png 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft1-768x283.png 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft1-500x185.png 500w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/p>\n<p>Open the <strong>Loft<\/strong> tool and select the knife point, then each profile in order.<br \/>\nYou can see that the tool <span style=\"text-decoration: underline;\">tries<\/span>\u00a0to figure out the shape, but it doesn&#8217;t quite look right.<br \/>\nIt&#8217;s necessary to add guide rails &#8211; click the &#8220;Rails&#8221; mouse pointer icon in the dialog, and select the guide lines.<br \/>\n<em><strong>Note:<\/strong><\/em><em> You may encounter difficulties getting every profile to loft together in one operation. It is fine to loft in separate stages; For this knife the blade was created in one loft operation, and the haft was joined on to the blade in a second operation.<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-542\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft2-1024x514.png\" alt=\"\" width=\"584\" height=\"293\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft2-1024x514.png 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft2-300x151.png 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft2-768x386.png 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft2-500x251.png 500w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-543\" src=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft3-1024x508.png\" alt=\"\" width=\"584\" height=\"290\" srcset=\"https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft3-1024x508.png 1024w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft3-300x149.png 300w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft3-768x381.png 768w, https:\/\/mindbleach.com\/words\/wp-content\/uploads\/2017\/11\/f360_loft3-500x248.png 500w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/p>\n<p>And ta-da! A reasonably accurate knife blade model, ready to build a cover over.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eating at a picnic spot or wilderness campsite is great, but prep can be tricky. You still want decent kitchen utensils, but for knives there&#8217;s a downside to having something sharp and pointy rattling around in your belongings! When you &hellip; <a href=\"https:\/\/mindbleach.com\/words\/2017\/11\/06\/knife-cover\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":530,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101,16,100],"tags":[111,110,106,103,109,105,104,102,107,108],"class_list":["post-521","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3d-printing","category-done","category-physical-design","tag-3d-printer","tag-cad","tag-camping","tag-cover","tag-fusion360","tag-ikea","tag-kitchen","tag-knife","tag-picnic","tag-safety"],"_links":{"self":[{"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/posts\/521"}],"collection":[{"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/comments?post=521"}],"version-history":[{"count":6,"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/posts\/521\/revisions"}],"predecessor-version":[{"id":546,"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/posts\/521\/revisions\/546"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/media\/530"}],"wp:attachment":[{"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/media?parent=521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/categories?post=521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindbleach.com\/words\/wp-json\/wp\/v2\/tags?post=521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}