Here is a recreation of the 3D block puzzle game, Block by Block.
Fit the 7 block to recreate the shape in the picture.
If you found the brick puzzle too easy, try this one, you will pull your hair out.
The Easier Brick Puzzle is here: https://www.printables.com/model/340415-brick-puzzle-with-60-puzzle-cards
Print out the 7 pieces and look at the various puzzles and try to recreate the shape.
Post your answers in the comments, or upload some Makes pictures.
You can print it bigger or smaller, I like it small to carry around.
Alternative:: You can print single blocks If you want to glue them together to make the puzzle pieces
The author hasn't provided the model origin yet.