Yeah, I also added a fan. It made a huge difference for scan/calibration times. I just stuck a small 40mm fan underneath and pointed it roughly at the...

@mario Sorry for the late answer. If you give me a postal address, I can send it out if you are still interested.

Yes, indeed. It did not change no matter what I did. These artifacts were there when I first tried this object. Then I bought white spray chalk, but n...

Indeed, now I can attach files. I don't have a picture of the model available right now, but just look at the end of the right arm. It is supposed to ...

Yes, that's what I meant. I double checked that every single point you mention is true. Any remaining deviation was way below 1mm, not noticeable to t...