I’m taking lots of photos right now, in the process of helping my folks dispose of their excess belongings since they’ve moved to a retirement facility. I made these because A) I’m currently out of bananas and B) people like to know how big stuff is that they’re thinking of buying.
Here’s the file: (right click and save as SVG):
(The triangle pieces get glued to the backs of the rulers to allow them to be free-standing.)
And some photos of them in use: