thanks frizzen.
my last post looks a bit breaked. I'm sure i've wrote it much longer.
Anyway. edit: I've found that the degree character has broken the post. so i'll ignore it from now on
together with a 90 degree guide for the lever sheare
and a parallel guide for the press break
i'm able to made reproducable cuts
and after bending
more cuts
i'm able to make exact angles with 7mm length
after solving a puzzle the frame of the cabin is done
