I don't know what this system is called but it's older than a couple of years and it's made by IKEA, so it's not available anymore, and neither are the hooks. So I made my own, and I improved them a bit, so that they resist falling off when you lift your thing off the hook.

Source included.

Ultimaker

Ultimaker 2

No

Yes

0.06

to taste

Print these lying on the side, to make them stronger.