pin slot@Tony_C_ Pin Slot will not work in this case because the slot direction is not ar. Tangent mate should work in this situation. Tangent mate should work in this situation. I see you'veIf I could find out how to properly use pin-in-slots, that'd save me the complexity of replacing them (which needs 5 more memberspins per slot). From what reading I could use a nylonnylatron