A GBC stepper module. Runs best on full power. Can be powered both by an M-motor as shown in the instructions, or by an NXT motor (see the video for how). Can be placed in series - this is also shown in the video.
For Studio 2.0, these parts should be saved in C:\Program Files\Studio 2.0\ldraw\Custom Parts\Parts on Windows and Applications/Studio 2.0/ldraw/Custom Parts/Parts on MAC. See this video for a guide of how to set it up in Studio 2.0 and use their rendering engine.
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