3D preview of Dual-Servo Rotating Arm Joint (25 mm Square-Tube)
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Interactive 3D model of Dual-Servo Rotating Arm Joint (25 mm Square-Tube)

Mechanical parts

Dual-Servo Rotating Arm Joint (25 mm Square-Tube)

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Bounding box
64.0 × 56.0 × 180.0 mm
Engine
Precision B-rep
Parameters
23
Published
September 21, 2026

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The prompt

Desine a robotic arm joint that looks kinda like the one i send u but make it be able to be controlled by two DS3218 motor working together, alsow make it be actualy be able to rotate, and make 25 by 25 mm and 1.5 inch deep cutounts for the attachement of sqware hollow metal rods

Parameters

NameValueRange
Square Tube Size25 mm10 – 40
Socket Depth (1.5 in)38.1 mm10 – 45
Pivot Shaft Bore10 mm4 – 20
Pivot Drum Diameter40 mm20 – 70
Pivot Drum Width31 mm12 – 60
Belt Groove Width9 mm0 – 20
Belt Groove Depth2 mm0 – 5
Base Block Length (X)56 mm34 – 100
Base Block Width (Y)48 mm34 – 100
Base Block Height50 mm50 – 100
Yoke Plate Thickness6 mm3 – 16
Yoke Plate Gap30 mm15 – 60
Yoke Plate Height76 mm40 – 140
Yoke Plate Length (X)44 mm20 – 90
Output Tower Size48 mm30 – 90
Output Tower Height56 mm50 – 120
Cap Bolt Hole Dia3.2 mm2 – 8
Edge Fillet Radius2 mm0 – 5
Servo Screw Hole Dia3.2 mm2 – 6
Servo Ear Hole Spacing49.5 mm10 – 80
Servo Tab Thickness4 mm2 – 10
Servo Tab Width (Y)56 mm20 – 90
Servo Tab Height22 mm8 – 40

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.

Dual-Servo Rotating Arm Joint (25 mm Square-Tube) - Free CAD Model (STEP, STL) | TextoCAD