Two Hollow Cube Puzzles

Two sets of six pieces that assemble to make a hollow cube.The pieces are planar; ten-ominos and nine-ominos. see https://en.wikipedia.org/wiki/Polyomino Three pieces are provided. One nine-omino - piece_9_6.stl - and two ten-ominos - piece_10_28.stl and piece_10_29.stl. Print four copies of the 9-omino and 2 copies of one of the ten-ominos to make a puzzle. OpenSCAD code with instructions for the construction of many puzzles of this type is included.