A tabletop corner, an opening for cables to come from down below, that sort of thing. You can round a corner many ways: bandsaw, jigsaw, bowsaw, hand plane, spokeshave, drawknife, hatchet, rasp, sander, router - - I've used them all from time to time. But how do you mark out the rounded corner?
Looks about right . . . WD-40 can looked a little too small for this seat corner.
Nicely laid out.
My $15 pawn shop jigsaw. A Black & Decker. I'd rather have a Bosch or Festool, but this one refuses to die, so I'll keep saving my money.
If that's supposed to be a cutting board, the handle is kind of awkward.
Yet another use for the 1-2-3 block: laying out naugahyde with a 2" overlap.
That foam is salvaged packaging material.