YouTube video by Kotaro Murayama about welt making
Notes
- 27 mm wide
- 3 mm thick
- 75 mm [unclear what this is]
- cut in half for two 13.5 mm wide
- bevel 1 mm from bottom, 4 mm in
- groove 3.5 mm in
- very helpful whiteboard diagrams
- draw line for cutting the groove
- groove before beveling