My CM 800 made quite some mess around the grinder after making several coffees, which is why I decided to make this collector. No ground coffee mess around my grinder anymore. It fits nicely into the bottom piece and features round corners for easy cleaning.
See: https://www.thingiverse.com/thing:3479951 if you need a new portafilter mount
Printed in Gray PETG (DasFilament)