Robots & machines

Robotic arm: a 75-part brick model designed with BricksChat

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3D

Robotic arm

Build a robotic arm on a heavy base with a rotating shoulder, an elbow and a wrist that bend, and a gripper with two fingers that can hold a 2x2 brick.

75 parts

All connected

No parts colliding

Nothing floating

This looks 100% original

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Full instructions and parts lists. No account needed.

Instructions · 27 steps · 31 pages

Parts list · 75 pieces · 36 kinds

Gather your own pieces or use the CSV’s part names, colours, quantities and Pick a Brick searches. IDs are LDraw part IDs, not LEGO element IDs. Check the colour and variant before ordering; some pieces may be unavailable or need a substitute. The CSV is a shopping list, not a cart import.

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