This is a picture of my completed “Sensitive Knurling Tool” built from the Hemmingway kit/plans. All parts (Except knurling wheels and screws) were machined manually and hand filed/finished.
Main body, milled, drilled and corner rounds filed.
I found that when adjusted to its larger settings, the feed adjuster side plates would often touch the side plates in the circled area. This caused the assembly to bind.
Here’s a link to a short video of me assembling the tool.