What are the dimensions of the Twinstant Mobile when set up?By / March 15, 2016 Home › 3D Printing and 3D Scanning Glossary of Terms › Twinstant Mobile Full-body 3D Scanner › What are the dimensions of the Twinstant Mobile wh.... Posted by Webmaster on March 15, 2016 The Twinstant Mobile forms a circle 10ft (3.05m) in diameter. Each tower is 7ft 2inches (2.18m) tall when unfolded.