IKEA Lack table 10cm foot extender

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3353222.

This is my first SolveSpace design. I tried some 10cm extenders for the IKEA Lack table, but I wasn't really happy with any of them. Screw the small mount on the end of the foot and simply slide the 10cm extender over it.