3D preview of Adjustable SG90 Servo Crank Arm
Loading the interactive model…
Interactive 3D model of Adjustable SG90 Servo Crank Arm

Brackets and mounts

Adjustable SG90 Servo Crank Arm

1 views
Bounding box
46.0 × 29.1 × 6.0 mm
Engine
Precision B-rep
Parameters
14
Published
September 14, 2026

Download

Free to download and use. See the terms.

The prompt

Create an adjustable servo crank arm for SG90 micro servo. Dimensions: - Total length: 40 mm - Maximum radius: 28 mm - Thickness: 4 mm Features: - Central SG90 mounting hole - Three M3 holes located at: 18 mm radius 23 mm radius 28 mm radius Requirements: - Minimum 5 mm material between adjacent holes - Rounded edges - Reinforced around all holes - Suitable for PLA 3D printing - Single solid part Do not place holes too close together. Keep structural strength around each hole.

Parameters

NameValueRange
Thickness4 mm2 – 8
Total Length40 mm32 – 50
Arm Width14 mm8 – 30
Hub Diameter12 mm8 – 20
Central SG90 Hole Diameter4.8 mm4 – 6
M3 Hole Diameter3.2 mm2.5 – 4
Hole 1 Radius18 mm10 – 28
Hole 2 Radius23 mm10 – 28
Hole 3 Radius28 mm10 – 34
Hole 1 Angle0 deg-45 – 45
Hole 2 Angle-20 deg-45 – 45
Hole 3 Angle15 deg-45 – 45
Reinforcement Boss Diameter14 mm8 – 20
Edge Fillet Radius1 mm0 – 2

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.

Adjustable SG90 Servo Crank Arm - Free CAD Model (STEP, STL) | TextoCAD