Late last year, we had shelves made for fairs/bazaars. We did the painting and finishing ourselves, after which we ended up with two 48″ x 6.5″ boards.
One of them became this giant meter stick:
I have photos below of the DIY process. Aside from the wood plank, I used paint (mustard, gray), wood glue, 4 drawer knobs, masking or painter’s tape, and clear lacquer spray.