<story><title>Gear Generator</title><url>http://geargenerator.com/</url></story><parent_chain></parent_chain><comment><author>jonjenk</author><text>I&amp;#x27;ve created a lot of 3D printed gears over the last few years and one of the best tools I&amp;#x27;ve found is from Rainer Hessmer.&lt;p&gt;&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;hessmer.org&amp;#x2F;gears&amp;#x2F;InvoluteSpurGearBuilder.html&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;hessmer.org&amp;#x2F;gears&amp;#x2F;InvoluteSpurGearBuilder.html&lt;/a&gt;&lt;p&gt;It allows you to specify additional parameters like backlash, clearance, and profile shift.  It also allows you to output in DXF which tends to be more of a standard in the engineering world.</text></comment>
<story><title>Gear Generator</title><url>http://geargenerator.com/</url></story><parent_chain></parent_chain><comment><author>danshapiro</author><text>The best part of this is that you can output the gears as SVGs. For example, gear + Glowforge = 
&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;community.glowforge.com&amp;#x2F;t&amp;#x2F;gears&amp;#x2F;143&amp;#x2F;4&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;community.glowforge.com&amp;#x2F;t&amp;#x2F;gears&amp;#x2F;143&amp;#x2F;4&lt;/a&gt;</text></comment>