# Resources

### Thread

For best results, use [\#40 Madeira polyester embroidery thread](https://www.madeirausa.com/polyneon/).

Note that using rayon thread in particular can be prohibitively slippery for the tension we've calibrated the machine at.

#### *Repair files*

*Spool Holder 3d print file: [CNC Embroidery Spool Holder.step](https://wiki.protohaven.org/attachments/344) (print laying on its side for most strength)*