Tip angle 60°, flat 4° rake, clearance angle 12°
https://knoba.files.wordpress.com/20...plastic-02.jpg
https://knoba.files.wordpress.com/20...plastic-01.jpg
https://knoba.files.wordpress.com/2014/11/img_2920.jpg
Page link: https://knoba.wordpress.com/2015/04/...s-for-plastic/
Thanks Ken! :bow: