Great Ball Contraption funnel

A funnel suitable for use with Great Ball Contraption (GBC) machines. It's 21 studs/holes wide, the centre hole is three studs wide. The three holes on the ‘sides’ and at the end of the ramp allow it to be easily connected to other Technic pieces using pins. The print profile includes both left- and right- handed versions. The sample is with Overture matte black PLA.