Plastics shredder funnel

This is a funnel for shredding pre-cut plastics into pellets.Large plastics are ground in the Eco shredder then fine ground. Use 3/4 black pipe perforate with holes to act as a screen, 6 mm nuts (install them before print finishes) and a 4 flute square end mill. https://www.amazon.com/gp/product/B00FXFROEC/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1