Dixon type T1 lathe tool holder - WIP

Lathe tool holder type dixon T1. Obviously would not be suitable for holding cutting tools and does not yet have a feature drawn in to do this but plenty rigid enough to hold a DTI. Its still work in progress as next stage is to combine this holder with the small DTI holder published by Tubal Cain. Hole in the top was featured at 7mm although on the test holder I printed it actually measures 6.5mm but should take an M8 tap. Might try to model the M8 threads and will also include the adjustment s