For adding a removable table on top of your printer.  The standoff creates a semi-stable buffer to keep your upper table in place.

Printed in PETG, but PLA would also work.

File b06.stl is one of the “bottom plugs” that comes from the prusa_enclosure_bottom-corners.stl file in the “Original Prusa i3 MK3 ENCLOSURE -Ikea Lack table - Prusa Research”.

https://www.printables.com/model/17-original-prusa-i3-mk3-enclosure-ikea-lack-table-pr

See other designs here:

https://www.printables.com/model/5860-screwless-ikea-lack-table-stacker