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Tilt Camera Cradle
The camera cradle for the 'MG996R Heavy Pan-Tilt Camera Gimbal' kit. It is a 60 x 80 x 6 mm U-plate with a 6.8 x 30 mm 1/4"-20 camera slot. On the -Y side, a 5 mm horn cheek bolts to the tilt MG996R's horn through a 12 mm centre hole and eight 3.4 mm radial slots. On the +Y side, an 8 mm cheek has a teardrop 8.3 mm bore for the 8 mm rod that runs to the 608 idler, and an M3 heat-set bore (4.0 mm) for a grub screw that locks the rod. The tilt axis is 32 mm above the plate bottom, and the cheeks are 40 mm wide.
Tilt Servo Side Upright
A 70 x 90 x 6 mm side upright for a tilt axis. It holds a standard MG996R-size servo in a 41.5 x 20.5 mm body window, with M4 tab slots on each side, and has a gusseted foot flange that takes two M3 screws (3.4 mm holes) to fix it to a chassis or pan platform. It prints flat with the inner face up, so the servo load runs along the layers instead of across them.
Roller-Track Pan Platter
The rotating pan table for the 'MG996R Heavy Pan-Tilt Camera Gimbal' kit. It is a 6 mm plate made from a 100 mm disc and a 60 x 130 mm bar, and it bolts to the MG996R pan servo horn through a 12 mm centre hole and eight 3.4 mm radial slots. Its flat underside annulus from r = 36 to 48 mm is the track that rides on the three 624 roller forks. Four 4.0 mm bores take M3 heat-set inserts for the tilt uprights. The two +Y bores sit over the roller track, so they are blind: 4.8 mm deep with a 1.2 mm skin underneath, sized for short 4 mm M3 inserts.
Pan Servo Base Housing
This is the base of the 'MG996R Heavy Pan-Tilt Camera Gimbal' kit. It is an open-bottom box, 100 x 100 x 48 mm, with a 41.5 x 20.5 mm window in a 4 mm deck. One MG996R pan servo drops into the window and hangs by its tabs, held with M4 screws through four 4.5 mm slots. The deck also has six 4.0 mm M3 heat-set bores for three 624 roller thrust forks on r = 42 mm, and four 4.5 mm M4 bench-screw holes run through full-height corner columns. It prints deck-down with no supports.
Upper Leg Bearing Plate
The outer half of the upper leg in the 'MG996R 12-DOF Quadruped Robot Dog' kit. It is a 169 x 60 x 5 mm plate that screws onto the four 44 mm posts of the Upper Leg Servo Plate with M3 screws, which sit in 6.5 mm counterbores and thread into heat-set inserts. At the shoulder, a 30 mm boss holds a press-fit 625 bearing (16.05 x 5.2 mm pocket, 6 mm through-hole) for the M5x20 pivot bolt. At the knee, a 5.5 x 16 mm M5 slot is the idler side of the 44 mm knee clevis, and you slide it to line the pivot up with the servo shaft.
Upper Leg Servo Plate
The inner half of the upper leg in the 'MG996R 12-DOF Quadruped Robot Dog' kit. It is a 169 x 60 x 5 mm plate. At the shoulder it takes a 25T round servo horn: a 9 mm centre hole and four 3.4 mm radial slots at r 7–15 mm for M3x10 screws. At the knee it holds a second MG996R in a 41.3 x 20.6 mm pocket, with tab slots that fit 46–55 mm hole spacing for M3x16 screws. Four 10 mm x 44 mm posts with 4 mm bores for M3 heat-set inserts join it to the outer bearing plate.
Hip-Driven Shoulder Clevis
A U-shaped shoulder clevis for robot arms. The 60 x 86 x 5 mm base plate bolts to a hip servo horn through a 9 mm centre hole and four radial M3 slots (r 7–15 mm). The two 6 mm cheeks rise 75 mm: one has a 20.6 x 41.3 mm MG996R-size pocket with tab slots, and the other has a 5.5 x 16 mm vertical M5 slot for the idler pivot, so you can line the pivot up with the servo shaft.
Twin Hip Servo Frame
The front and rear end plate for the 'MG996R 12-DOF Quadruped Robot Dog' kit. You print the same part twice. Each 170 x 66 x 6 mm plate holds two MG996R hip servos in 41.3 x 20.6 mm pockets. Four slots per pocket take M3x16 screws with nuts and fit tab hole spacings from 46 to 55 mm. A 30 mm rear ledge takes two 2020 rails at 60 mm centres on M5x10 screws and T-nuts. The plate also has a 30 x 16 mm wire pass-through and lightening windows.