Parametric timing belt (spiral)

prusaprinters

<p>Multi-purpose customizable timing belt.</p><p>Inspired by this: <a href="https://hackaday.com/2018/11/27/the-most-3d-printed-3d-printer/">https://hackaday.com/2018/11/27/the-most-3d-printed-3d-printer/</a><br>Most of the code taken from here: <a href="https://openhome.cc/eGossip/OpenSCAD/ArchimedeanSpiral.html">https://openhome.cc/eGossip/OpenSCAD/ArchimedeanSpiral.html</a><br>Teeth profiles taken from here: <a href="https://www.thingiverse.com/thing:16627">https://www.thingiverse.com/thing:16627</a></p><p>The STL models are just examples, use the provided <a href="https://openscad.org/">OpenSCAD</a> source file and the table below as a guide to generate customized belts.</p><h3>Belt Types</h3><figure class="table"><table><tbody><tr><th style="background-color:#A4C6FF;"><strong>Type</strong></th><th style="background-color:#A4C6FF;"><strong>Pitch</strong></th><th style="background-color:#A4C6FF;"><strong>Thickness</strong></th><th style="background-color:#A4C6FF;"><strong>Belt Width</strong></th></tr><tr><th>GT2 2mm</th><th>2</th><th>0.76</th><th>6</th></tr><tr><th>GT2 3mm</th><th>3</th><th>1.27</th><th>9</th></tr><tr><th>GT2 5mm</th><th>5</th><th>1.88</th><th>15</th></tr><tr><th>40DP</th><th>2.073</th><th>0.74</th><th>4.7625</th></tr><tr><th>MXL</th><th>2.032</th><th>0.74</th><th>6.35</th></tr><tr><th>XL</th><th>5.08</th><th>1.03</th><th>7.94</th></tr><tr><th>L</th><th>9.525</th><th>1.66</th><th>19.05</th></tr><tr><th>T 2.5mm</th><th>2.5</th><th>0.6</th><th>6</th></tr><tr><th>T 5mm</th><th>5</th><th>1</th><th>10</th></tr><tr><th>T 10mm</th><th>10</th><th>2</th><th>16</th></tr><tr><th>AT 5mm</th><th>5</th><th>1</th><th>10</th></tr><tr><th>HTD 3mm</th><th>3</th><th>1.19</th><th>9</th></tr><tr><th>HTD 5mm</th><th>5</th><th>1.73</th><th>9</th></tr><tr><th>HTD 8mm</th><th>8</th><th>2.64</th><th>30</th></tr></tbody></table></figure><h3>&nbsp;</h3><h3>Printing</h3><ul><li>Print with flexible filament.</li><li>Use sufficient perimeters</li><li>Enable “Detect thin walls”</li><li>Enable "Avoid crossing perimeters"</li></ul><p>&nbsp;</p>