Heacent Endstop Holder

After I broke the original endstop holders for my Heacent 3DP02 printer, I decided I could create a better part.

Here are the changes I made from the standard Prusa Mendel endstop:


Widened the smooth rod clamp so that it would grip more of the rod and hold better.
Added an extra hole for the contact switch.
Integrated a built-in spacer for holding the contact switch at the correct distance from the smooth rod.
Tapered the clamp opening so that it was less likely to break when putting