12 Piece Desk Puzzle

I've had this wooden puzzle cube on my coffee table for years. Today, I decided to make a similar version, but with some added embellishments. I designed mine with shorter end pieces, so the overall assembled puzzle is more compact than the original wood puzzle, which is seen in the photo above.

You'll need to print 12 of the pieces to make the puzzle. For assembly instructions (cheater!) refer to this:

https://woodgears.ca/puzzles/12-piece.html

It's not identical, but the steps are exa