Mini toolbox with a little drawer for the Prusa Hephestos.
It needs support touching the plate. Not necessary for the drawer cavity, it bridges OK at +40mm/s.
1x M3 8mm or M3 10mm bolt
1x M3 12mm or M3 15mm bolt
Remove the front bolt on your Z-axis' left Nema piece and place the toolbox upon it. Fix the box to the Nema with both bolts and fasten the tie-wrap on the threaded rod.
Nema and printed part union
Threaded rod union