This is a collar that slots inside the throat of the grinder to reduce the bean retention when using the grinder without a hopper.
The lid sits inside to reduce popcorning (bean jumping), and still allows air flow for the flexible lens hood mod which is a great way of clearing the chute of grind.
SJ_collar2.STL | 72.9KB | |
SJ_collar_lid2.STL | 203.6KB |