This is a 3D printer extension/funnel for a knock-tube with the outer diameter of 160mm or 163mm (no bin bag).

Fits:

• Thumpa from Rhinoware ( 160mm diameter )

• The Big Barista Knock Box (163mm diameter)

Please note that this 3D printed part is not dishwasher safe. High temperatures will deform the print, and unfortunately we will not be able to offer a replacement or refund in such cases.