Sylvain

[For nema17 steppers, ratio : 1:120]&nbsp;Hi,This model is inspired by <a target="_blank" href="https://www.youtube.com/watch?v=-VtbSvVxaFA" rel="nofollow noopener">this video</a> by David Hartkop. It is a reductor designed for a NEMA17 stepper motor with a high reduction ratio.I&#39;m currently printing this with my new P1P, but I already printed a modified version with my elegoo MARS and it worked well.&nbsp;The current ratio is 120, but thanks to David&#39;s spreadsheet, it is easy to modify this value.&nbsp;I designed it with onshape as a parametric model, here is the <a target="_blank" href="https://cad.onshape.com/documents/c2c8d944f3e8cb7f5a12f7aa/w/c80559849ad7c31bcdb96537/e/3182c2c7fb47f8b74a0310d4?configuration=List_1sdCq07U8NP7rd%3DDefault&amp;renderMode=0&amp;uiState=666f2315342a672aa38922d9" rel="nofollow noopener">link</a>.&nbsp;Let me know if you face a problem, and have fun with your printers

Astronomy