Models
Tripod Mount 3D Printable Models. Makeshape.co have 3 Tripod Mount 3D Printable Models.
Turn a Tripod into a Flexible Phone Mount! 3D Printed Adapter
Thingiverse
Xptx
Free
Phone holder universal tripod
Makerworld
Ducaapple
Free
MultiBOOM 3/8 and 1/4-20 Adapter
Makerworld
K2_Kevin
Free