Use this knob for virtually any shop-built jig or fixture! Includes three different sized pocket holes to fit common hardware such as 1/4", 5/16" and 3/8". Baltic Birch plywood shown in example. Any hardwood with same dimensions will also work.
8" × 12" × 3/4" Baltic Birch Plywood
Working Drawing (PDF)
The top portion of this knob can be machined out using the X-Carve. The bottom portion will need to be cut out using a 1 1/4" hole saw on a drill press with a good vise or clamping system.