Snap Motor Mounts
These are geared attachments that "snap
" onto the EV3 Medium Motor.
Or, you could affix these parts to the robot and "snap
" the EV3 motor onto the LEGO part.
In either case, the purpose is to quickly attach and detach the motor and movable parts.
Using 4x4 Open Brick
Using Toggle Joint
Using 5x7 Open Beam
Using U-Connectors and 1/3 connectors
Using 3x3 T-Shaped Beams
Using Toggle Joint with Beam