3D preview of Robot Arm
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Interactive 3D model of Robot Arm

Mechanical parts

Robot Arm

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Bounding box
150.6 × 70 × 106.9 mm
Engine
3D Printing B-rep
Parameters
18
Published
October 28, 2026

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robotic arm

Parameters

NameValueRange
Base diameter70 mm40 – 120
Base height10 mm6 – 20
Turret diameter40 mm24 – 80
Turret height above base22 mm10 – 60
Lower arm length58 mm30 – 120
Upper arm length48 mm30 – 120
Shoulder tilt from vertical25 deg0 – 80
Elbow bend60 deg0 – 120
Arm thickness10 mm6 – 20
Shoulder / elbow joint diameter20 mm12 – 30
Wrist joint diameter16 mm10 – 26
Palm width24 mm14 – 50
Palm length14 mm8 – 30
Finger length20 mm10 – 50
Finger gap12 mm4 – 40
Finger thickness4 mm2 – 8
Sliding clearance0.25 mm0.1 – 0.5
Part overlap0.6 mm0.2 – 1.5

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

Robot Arm - Free CAD Model (STEP, STL) | TextoCAD