SPD wall mount, made for Shimano SM-SH51, SM-SH56 should fit also, as well as copies of Shimano mountain bike cleats. Mounts to wall with two holes, diameter 5.2mm (M5, M4 countersunk bolts or a countersunk screw fit nicely). Mount has holes at the bottom for dirt and sand to fall through.
Version for a pair of shoes HERE.
Version for road shoes (SPD-SL) HERE.
Version for Kupper pegboard is included.
0.20mm, 3 walls. Prints right way up, I use a brim but could work without. Kupper version needs support for upper peg, screw mount does not.
More Kupper mounts: Kupper Collection