Summary2014-03-14 Uppdate: Added new files whit the right scales. So this is my tablet holder for my ACER ICONIA W700 compatible with Gopro mounts. I had some problems with the scale so I uploaded the files saved in CURA at the right size. This is the dimensions on the arms W,D,H 153.2/153.2/20.0 mm This is the dimensions on the center W,D,H 150.0/59.0/22.5 mm InstructionsPrint one center and both arms.