Shopsmith Power Coupler

thingiverse

I've revamped the original design from https://www.thingiverse.com/thing:147773, incorporating fillet features to minimize shearing and amplify overall durability. This custom part was crafted specifically for Shopsmith Mark V, seamlessly connecting the jigsaw accessory to the power shaft with precision. I've put it to the test on several wood projects, and so far, it's performed flawlessly without any signs of weakness or failure.