Ultimaker Original Betterstruder

So I really didn't like the stock UMO extruder. I'm not sure if it was just mine, but it seemed like the hobbed bolt was made of butter. I think the problem was the stock idler didn't apply enough tension, but I wanted to redesign it to a simpler solution. So, this is a direct drive bowden extruder, with the hooks copied off the Ultimaker STEP files.

Edit: 3/29/2020
Since posting this design, I have used the Better Struder on my UMO with moderate success, but I found the threaded shaft on t