3D preview of R601 Robotic Arm
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R601 Robotic Arm

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Bounding box
153.7 × 110 × 375.9 mm
Engine
3D Printing B-rep
Parameters
21
Published
November 14, 2026

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The prompt

ADD NA PLCE TO THE STEPPER MOTOR 28byj-48 stepper motor FOR 3 AXIS

Parameters

NameValueRange
Base diameter110 mm60 – 200
Base height34 mm12 – 70
Turret diameter76 mm40 – 140
Turret height58 mm24 – 120
Upper arm length130 mm60 – 260
Forearm length110 mm50 – 260
Arm link width34 mm16 – 70
Shoulder angle-15 deg-60 – 60
Elbow bend55 deg0 – 130
Wrist bend10 deg-60 – 60
Gripper opening22 mm8 – 60
28BYJ-48 body diameter28.5 mm20 – 40
Motor body height19 mm12 – 35
Shaft boss diameter12.5 mm6 – 25
Shaft boss height1.8 mm0.5 – 5
Mounting hole spacing35 mm20 – 60
M3 clearance hole3.4 mm2.5 – 5
Shaft clearance5 mm3 – 10
Pocket clearance0.5 mm0.2 – 1.5
Motor mounting pad thickness6 mm3 – 12
Motor mounting pad radius21 mm14 – 30

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.

R601 Robotic Arm - Free CAD Model (STEP, STL) | TextoCAD