Robotic Arm System — assembled view
⚠️ Disclaimer
Some parts may be duplicates. Because these parts have not yet been printed and verified,
each is listed separately. This list will be updated once physical prints are confirmed.
🦾 Arm
5 parts
Arm — Group
Arm Bottom Connector3D Print
Arm Middle to Bottom Connector3D Print
Arm Middle to Top Connector3D Print
Arm Tube Bottom3D Print
Arm Tube Top3D Print
⚙️ Grip Rotator (GR)
3 parts
GR — Group
GR Arm Connector Base3D Print
GR Arm Connector RS3D Print
GR Main Body3D Print
🔧 Mount Rotator Base (MRB)
3 parts
MRB — Group
MRB Connector Servo Housing3D Print
MRB Mount Bottom3D Print
MRB Connector Top3D Print
🧲 Pincer
13 parts
Pincer — Group
Pincer Arm x43D Print
Pincer Gear R 25T3D Print
Pincer Servo Gear3D Print
Pincer Servo MG996R Casing3D Print
Pincer Top Plate3D Print
Pincer Gear L 25T3D Print
Pincer Lower Arm L3D Print
Pincer Lower Arm R3D Print
Pincer Lower Plate3D Print
Pincer Middle Plate3D Print
Pincer Rear Plate and Horn3D Print
Pincer Upper Arm L3D Print
Pincer Upper Arm R3D Print
🔁 Common Printing Objects
2 types × 4 eachThese parts are shared across multiple arm sub-assemblies. Each must be printed 4×.
Servo MG996R Casings3D Print × 4
Servo MG996R Door Panel3D Print × 4
🛒 Parts to Purchase
HardwareThe following items must be purchased. Order the exact part or a dimensionally equivalent substitute.
MG996R or DS3218 Servo ×4Purchase
MG996R or DS3218 Pro 20KG 180° digital servo
Ball Bearing 608ZZ × 1Purchase
608ZZ or equivalent — recommend 608RS for outdoor use
Servo Bolt × 16Purchase
Standard servo mounting bolt — 16 required
3mm SS Washer 90965A130 × 1Purchase
McMaster-Carr 90965A130 or equivalent
Servo MG996R Horn ×1Purchase
Standard MG996R servo horn