496 B

This is a head restraint button I made for a 2019 Chevrolet Bolt.

When we bought ours, used, one of these was missing. What's here now does a good job staying in the hole, and flips the headrest back. The one I have in there now sticks a little, so you have to bang it or massage it to pop back out, and stop triggering the tilt mechanism. But it's good enough: we hardly ever use this button anyway.

Print in PETG or ABS or something that can withstand a lot of heat. You don't need supports.