Dremel Bit

So, I lost my dremel sanding bits and I wasn't in the mood to go buy some more...
so.. I knew the M3 screws fit the dremel... so all i had to do, was 3d print a sanding bit, with a hole for the screw and superglue a scrap piece of sandpaper and done! You have a cheap new sanding bit! =D
You can take the idea and modify it to have bigger, smaller diameters or even a plate disc! =D

EDIT: Added de Flat version. Its intended for a flat disc sander. 5mm diameter, i use it that small because i d