About this 3D model

This is a cake puzzle based on a design sold by Hanayama (Original design by Bram Cohen). The puzzle consists of 5 pieces, and when oriented correctly, all pieces can be removed easily. I ended up painting mine, and am happy with the outcome. I've printed the puzzle at both 100% and 150%, both work well. Solution: https://www.youtube.com/watch?v=G48a4B7ejvo