Multicolour 3d puzzle for kids with the box printable with a single extruder.
Some parts require filament change during the print (2 times the most). To save material, printing time and make the box fancier add a modifier with 0 top and bottom layers for the first 2.1mm of height and rotate the cover 180 degrees around Y in your slicer.
Nozzle: 0.4
Layer height: 0.3
Perimeters: 2
Top/bottom layers: 4/4
Infill: 10% (20% for bottom and cover)
Supports: No
Material: PLA