| Brand | Unbranded |
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Check the listing for details. 3D Printed Robot Arm Kit Mechanical Arm with Stepper Motors Air Pump for DIY. Condition: New. Listed at 136.70 USD. This is an open-source robotic arm produced with 3D printing technology. It is driven by stepper motors with relatively high accuracy. - Stepper motors, air pump and suction cup are included. - Stepper motor model: 42.