Cheap DC Motor Dremel

thingiverse

This is an attachment that slips onto the end of any standard DC motor. It provides a secure, yet effortless fit that allows it to stay in place without hindrance. However, it remains incredibly easy to detach and replace with another one whenever needed. You can print multiple versions of these attachments with varying grits of sandpaper embedded, making it simple to swap them out as desired for optimal results.