iLife A4 Roller End Socket Cap

thingiverse

Not my normal kind of thing, but our robo sucker suddenly stopped working and was making a crazy noise, so I didn't feel like listening to the wife complain about it waiting for the parts to come in for just twenty bucks. Long story short, the roller part has a plastic square cap that fits into the drive mechanism on the robot itself. This is what spins the roller, but if yours breaks, it turns into a plastic cylinder with zero grab. There's a small screw in there; take it out to pull off the old cap, print this one fat end down, three walls, 100% infill, supports where needed, and .1 mm layers, then pop it back on there. Both ends fit into a socket, so I have no clue why it used to be thin and screwed on; this is much thicker and just relies on the design of the part to stay put, and works perfectly. I can try to do pictures later if anyone thinks they're necessary, but this is a pretty simple piece for a pretty simple fix.