phone holder v2

Design

• This is an imporved version from Phone holder for tripod by 3D-maker. 
• It has an impoved knob.
• This model has inserts for M6 bolt/screw and ¼ UNC screw for more durability.

Materials:

1x M6x8 screw

1x M6 nut

1x ¼ UNC nut