3D print test model 3

Size:100x100x20(mm)

Thin wall and small distance groove(thickness,groove distance:3,2,1,0.5mm,
rotation angle:0°,10°,20°,30°,45°,height:10mm)
Bridge(length:2,4,6,8,10,12,14,16mm,thickness:2mm,height:10mm)
Cone and conical hole(Φ2,4,6,8,10mm,height and depth 10mm)
Square pyramid and square pyramid hole(Edge length：2,4,6,8,10mm,height and depth 10mm)