Involute Spur Gear (Involute gear) Module 1 - Free 3D Print Model

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Welcome to my MakerWorld page!

Here you will find high-quality, cleanly designed, and everyday 3D models – developed with a focus on function, reliability, and straightforward printing.

This component is a precisely engineered involute spur gear with 20 teeth, optimized for 3D printing and mechanical applications with parallel shafts.

🔧 Technical Features

Tooth Profile: Involute gearing according to DIN 867, ideal for uniform power transmission and low noise.
Number of Teeth: 20 – suitable for moderate gear ratios and compact design.
Module: e.g. 1 mm (adaptable depending on application) – determines tooth dimensions.
Pressure Angle: Standard 20° – ensures good self-centering and smooth running.
Bore: centric, e.g. Ø4 mm – for mounting on shafts or axles.
Hub: optionally reinforced for higher torques.
Material Recommendation: PETG or PA-CF for high strength and low friction.
Print Orientation: lying flat with tooth flanks facing up – minimizes support structures and improves surface quality.

🧩 Application

Ideal for gears, drives, robotics, or model building. The involute form allows reliable power transmission even with slight manufacturing tolerances.

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This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.