I made the Original Yamashita Ken MDF Pencil Holder and love it.
But at the Lab, I have an increasingly large collection of writing apparatus.
So I remixed the original desing to be made out of 4.5mm Russian Birch Plywood.
It look nice and is very sturdy. I suggest you oil it before assembly.
Made on a Trotec Speedy 300 @ Fab Lab Museum J.A. Bombardier