allows you to use your Proxxon Micromot 50/E as spindle for the Alfawise C10 engraving machine. The adapter has a 45mm outside diameter and might also fit other engravers.
There are two adapters which can be used independently. One mounts on the top and the other on the bottom of the proxxon micromot. Choose whichever works best for your scenario.
Fusion source can be found here in case you want to mod: