Ikea Table Joint

This is an add on to the Prusa printer enclosure as described here: https://blog.prusaprinters.org/cheap-simple-3d-printer-enclosure/

The enclosure is based on 2 of Ikea's Lack side tables stacked on top of each other. If you want to raise the stack even more using a 3rd Lack table, this joint will help: print 4 of them and either screw them onto the bottom table, or on the feet of the middle table.

Needed:
* 4 prints of this Ikea Table joint
* 8 screws 6x20mm (you have these if you are