Made the hinge/bushing setup for the other ramp (basically repeated what I did here https://www.hobby-machinist.com/thr...you-make-in-your-shop-today.67833/post-612292 for the other ramp.
I turned a 1/2" square broach. Still need to deburr and heat treat.View attachment 276547
I used oversized, ground, O-1.What material did you make it from?