I have written, with the help of some of the Blender community a .cdt importer for Blender. I was hesitant to share it for legal reasons, but I have gotten some council and it appears to be ok so long as I don't share any trade secrets. Apparently companies write importers for other company file formats aaaalllll the time. They play cat and mouse with encryption and everyone has to refresh their file formats every so often. So here is what it is.
1. It's for Windows computer's only unfortunately (64bit or 32bit). My cross platform dreams would violate the "publishing of trade secrets" since python scripts are plainly readable. Plus, python is slow so I only use python for the import into Blender, the "dirty work" goes on behind the scenes in a separate c++ program
2. It only imports the preparation, opposing and registration models, not the restoration. Two reasons for this. 1) Effort, I'm a little exhausted on this project and I would need more help from others and they have helped enough. 2) My goal is not to give an application which allows total bypass of the Sirona ecosystem. Rather for educational, visualization and possibly non dental purposes (like general purpose scanning..think Jewlry).
-I will encourage people to make a donation to one of the following organizations before I give the file to them. Granted, it's optional.
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Dental Lab Network -
Blender Foundation -"
Open Dental CAD" (which is me)
-Or some other organization which is generally well purposed.
PM me if you are interested. I will also duplicate this post into it's own thread.