Expresso Coffee Distribution Tool

A handy tool to level expresso before tamping, fully parameterized, currently this is sized for a 58mm portafilter, adjust filter diameter to match.

The blades are made using a bezier curve from this tutorial: https://openhome.cc/eGossip/OpenSCAD/BezierCurve.html

The threads are using this library: http://dkprojects.net/openscad-threads/ (included)

The latest version allows for both the OCD style bladed design or a simple wedge. I found that the wedge is better since it does not cause