All the parts together:

The turntable:

Disassembling the camera:pg)

I added a USB-Hub so I have only one cable to connect and a second stepper motor that turns the camera, if the program ever controls it in the right way:

Originally I used the FabScan Software, compiled under Linux. I was very disappointed with the results.
Recently I found FabScanForProcessing, which gives results, that are quite OK: