September 2021
2021-09-01_Add concavity


2021-09-01_Add pin grooves


2021-09-01_Bottom sill


2021-09-01_Diameter


October 2021
2021-09-01_Ditch depth avg


2021-09-01_Ditch height avg


2021-09-01_Groove depth


2021-09-01_Groove width


2021-09-01_Hollow model


2021-09-01_Horizontal shaft gap


To be continued…
Thank you!