Mount to camera using 1/4-20 X 3/8 long bolt.Can be attached on a tripod with a 63.7° quickrelease, see image. Dowels and LED/flash cold shoes are press fit, but adhesive is recommended for the LED/flash brackets.Only use D7100 dowel if you are going to use with a D7100.Only use D850 dowel if you are going to use with a D850.Originally printed using PLA filament.