This is a project with which you can make the famous solid dissection puzzle known as the Soma cube.
Soma cube - Wikipedia
Soma Cube With Tinkercad : 12 Steps (with Pictures) - Instructables
Make a Wooden Soma Cube : 7 Steps (with Pictures) - Instructables
Origami Soma Cube
Made from native hard maple. Pieces are finished with a clear non-toxic sealant. Cube measure 2 1/4 Recommended for age 8+
Natural Soma Cube - Made in USA
Magno Soma by OSKAR - My i.materialise Order Arrived - i.materialise
A) Soma Cube puzzle, (B) a puzzle assembled from parts 1, 2, and
Make a classic Soma puzzle – Scout Life magazine
Make a Soma cube puzzle