spur gear 3d model

3d printing 3d printing realistic machine machine 3d printing machine 3d printing realistic machine realistic motor realistic spur gear

Prompt

A high-precision, 3D printable STL model of an automotive spur gear (Lexus Side Mirror Folding Gear), based on product number 7381. The gear must feature 40 outer teeth (N=40). The outer diameter is precisely 21.1 mm (D=21.1). The total height of the assembly, including the central hub, is 9.6 mm (H=9.6). The face width (gear teeth thickness) is 3.5 mm (W=3.5). The gear is attached to a cylindrical hub with a diameter of 6.4 mm and a visible length of 6 mm. The primary central hole has a diameter of 3.6 mm (Ø3.6), but it must transition into a special D-shaped hole for the motor shaft, measuring 2.8 mm. This is a robust mechanical part intended for FDM printing (preferable material: Nylon or ABS) for an electric motor actuator.

4K·v3.1-20260211

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