E61 tamping station. Compatible with most if not all E61 portafilters. It has 2 58mm holes for your tamper or distributor and a slot for . I put my dosing ring under the tamping area.
The tamp station is designed to fit bottomless portafilter or single/double spout.
I printed mine in PETG but PLA should work fine.
It takes around 6hr51m to print with ironing on top surface.