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3D Printed Rack Gear Slider With Dial Axis Tt Motor And Limit Switch. Смотреть видео: 3D PRINTED RACK GEAR SLIDER WITH DUAL AXIS TT MOTOR AND LIMIT SWITCH, Sliding Mechanism Rack And Pinion 3D Printed, Rack And Pinion Mechanism, How To Make A 3D Printed Servo Linear Actuator Rack Gear Slider RC SG90 9g Servo Motor.