2021-07-25 Costa: Small mill was successfully unbroken and now has a beautiful top lid.
The repair is made of 60t : 24t GT3 10mm wide Pulleys and GT3 belt 10mm x 294mm circumference.
Between centres this drive it has 81.5mm.
The file for the laser cut part is on Ganymede in Hacklab Tools/Mill folder. [and ]