When you get to that point, it might time to check out these OpenSCAD hold down clamps from [ostat]. Thanks to its parametric nature, you can plug whatever dimensions you need into the script ...

The superior way to hold down your work without clamps, fixtures or jigs. A great way for woodworkers to route all sides of a board without clamps getting in the way. #woodworking. Trump preparing ...

More details on angled dowel joinery techniques and tools used in this video: - Brad Point Bits - Hand Screw Clamps - Hold Down Clamps for Sled - Bessey Kliklamp - 3/8 Fluted Dowels Some tools ...