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CM6 uses 6 gimbal BLDC motors paired with small gear ratio gearboxes ( from 5:1 to 9:1), by doing that it is passively compliant and safe. Each Joint uses an S-Drive BLDC driver that is mounted on modular actuator designs for specific gimbal motors. Design can be changed easily by using different-sized aluminum extrusions or changing the gear ratio of modular gearboxes.
The total price of this first version is around 1000 dollars in raw materials.
YouTube video of the robot:
The author marked this model as their own original creation.