▶ Watch the step-by-step video (YouTube)
The direction of the diamond holes at a corner changes its look, so try varying it depending on what you're making, and experiment until you get the stitch you like.

At corners, where the direction changes, punching the chisel as you would on a straight line will leave messy holes, so take care.
▶ Watch the step-by-step video (YouTube)
The direction of the diamond holes at a corner changes its look, so try varying it depending on what you're making, and experiment until you get the stitch you like.