The folding procedure is in the attached pdf.It's a good idea to use washers everywhere on the M5 bolts.
Static_part , joint 1, joint 2 can also be combined with version 1.
Numbers of printed butterflies:
Butterfly_cover_long.stl - print 1x
Butterfly_cover_short.stl - print 6x
Butterfly_for_nut.stl - print 6x
Butterfly_for_screw.stl - print 1x
Version 1:
https://www.printables.com/cs/model/513391-variable-mobile-phone-holder-with-clamp
The author marked this model as their own original creation.