About this 3D model
This is my contribution to be candidate at the My Mini Factory micro:bit Contest. 3D Printing Tips : Nozzle : 0.35mm or 0.4 mm Infill : 33 % No raft, prefeer a brim (10mm) No supports. The supoorts are drawn. In the Slicer, just put the object verticaly on the same orientation than used when you will arrange your pens. Remove thin supports with little pliers. Enjoy !!!