D300VS Corner Caps (Top and Bottom)

These are caps for the corners of a D300VS delta printer. Using these caps allows one to adjust tower position without disassembling the belts or carriers. Parts are sized for commonly-available 5/16" carriage bolts, as the square shoulder of 5/16" carriage bolts is a nice even 12mm (corner-to-corner), which fits the corner section holes perfectly. Shaft of 5/16" bolt is ~8mm, so if you have access to 8mm carriage bolts, they should work as well.

Bottom is for all three corners. Top is fo