25 parts.

• Ball BearingFreeCAD Library
• Buzzer, 12 mmFreeCAD Library
• Cherry MX KeyswitchFreeCAD Library
• Distance SensorVarious
• Emergency StopFreeCAD Library
• Jumper Cap, 2.54 mmFreeCAD Library
• LED Bargraph, 10 SegmentFreeCAD Library
• Linear BearingFreeCAD Library
• Linear Guide CarriageVarious
• M12 Inductive Proximity SensorFreeCAD Library
• Microswitch SPDTFreeCAD Library
• Mini Toggle Switch 1P2T, PCBFreeCAD Library
• Mushroom Head Button, 22 mmFreeCAD Library
• Panel Button, 12 mmFreeCAD Library
• Panel Button, 12 mm, No CapFreeCAD Library
• Panel Push Button, 22 mmFreeCAD Library
• Potentiometer, 9 mmFreeCAD Library
• Reflective IR SensorFreeCAD Library
• Rotary EncoderFreeCAD Library
• Rotary Trimmer M64W103KB40FreeCAD Library
• Round Rocker SwitchFreeCAD Library
• SC8UU Linear Bearing BlockFreeCAD Library
• Slide Switch SPDTFreeCAD Library
• Stepper MotorVarious
• Tactile PushbuttonFreeCAD Library