More sample stls
Make some clamps in right dimensions
Reorder conf_bushing, rename conf_b_igus to conf_b_bushing8
Change x-end nut trap from slot to hex insert
Add calibrating test and clamp on all sample sets
Rename conf_b_bronze to conf_b_bronze_8
Merge pull request #53 from AxTheB/master

More STLs and bit of cleaning.