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So @Zink's thread here... ...inspired me to try my hand at creating an Elven catapult with Fusion 360 and my printer. Rather than hijack his thread anymore, it's time to create its own thread. I'm not anywhere near done, but I went ahead and printed out a prototype of my design so I could get a better feel for things and tweak it. Here is Sir ForScale checking over the construction so far: I'm glad I decided to print out a prototype now. I found that my tolerances are too tight for some of the assembly, and that I need to fix how the center piece goes in. I could probably merge it all into one piece, and print it as a single piece, or maybe two, but I am trying to keep the pieces fairly flat so that it can be mailed in an envelope. Trying to figure out what elven looking wheels without spokes would look like, as I think spoked wheels might be too delicate to print at this size