Slot Lapel

pin slotHi - I'm trying to make a pin go up and down in a slot. I have a rectangular slot and a circular hole in a linkage. I want the circular hole in the linkage to move up and downThey were linked by a Pin-and-Slot arrangement. Using a specialist X-ray scanner, crucial parameters of the Pin-and-Slot arrangement were measured to 0.1 mm. It is now generally