MakeCrank

MakeCrank

Category:Art & Design Developer:マサ

Size:1.4 MBRate:4.3

OS:Android 4.0+Updated:Jul 19,2026

4.3 Rate
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Application Description

Create custom-sized crank arms using a leather cutter or 3D printer

Generates 2D SVG or 3D STL crank arm models based on your input specifications.

Easily view and share the output files with other applications.

Automatically calculates the required balance weight size.

Determines the counterweight dimensions by inputting the outer diameter, crank pin mass (g), and crank arm density (g/cm³).

Computes the optimal counterweight specifications for proper balance.

Parameters

・ Crankshaft diameter (mm)

・ Crank pin diameter (mm)

・ Crank arm length (mm)

・ Crank arm width (mm)

・ Balance weight radius (mm)

・ Thickness (mm)

The generated files integrate seamlessly with compatible applications,

enabling direct sharing with connected 3D printers and computers.

Note: The square beneath serves as a size reference (credit card scale).

What's New in Version 0.5

Last updated on Oct 9, 2022

0.5
・Set minimum density limit for balance weight calculations
0.4
・Added parameter constraints
0.3
・Added D-cut compatibility
・Implemented automatic balance weight sizing
0.2
・Introduced balance weight support
・Added circular profile option
0.1
Initial release

Screenshot
MakeCrank Screenshot 1
MakeCrank Screenshot 2
MakeCrank Screenshot 3
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