Filament Cleaner / Sweeper for the M3D Micro

This is a small neat filament cleaner that is sculpted to sit well on the top of the M3D Micro's print head. The small amount of drag it induces is inline with the filament feed, so that doesn't drag at the head as it moves.

Just cut a cube of foam a little larger than the cleaner, and press it in.

The first time you use it, cut the filament at an angle so that it is pointed, and use that to bore a hole through the foam.

The filament enters the cube on the side that has no cutout, and t