Stand for iPad Pro 11" (3rd gen.)

Slide on stand for iPad Pro 11 inch. Designed to lock at four positions (0, 45, 90 and 135 degrees) with a spring mechanism.  Spring dimension is given in pictures.

Print instruction:
No supports needed for all parts.
Parts with threads should have 0.15 layer height.
Rest of the parts can be printed at 0.20 to 0.30 resolution.

Infill: The M8 bolt should have at least 50% infill, 20% is ok for rest of the parts.

Look at picture for print orientation.