Hex level.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...l_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h.../hex_level.jpg
Previously:
https://www.homemadetools.net/forum/...860#post152540
https://www.homemadetools.net/forum/...153#post168839
https://www.homemadetools.net/forum/...947#post152927
https://www.homemadetools.net/forum/...129#post157537
https://www.homemadetools.net/forum/...193#post130496