An ISO calculation tool for engineers

ISO standard calculations, turned into drawings and CAD.

Run tolerance, chain and gear calculations; auto-generate 2D technical drawings and 3D models from the results, and export to DXF. Scientific calculator and unit converter included.

Coming soon on Google Play

What you can do

From calculation to technical drawing and CAD output, in one app.

286

Tolerances & Fits

ISO 286 tolerance and fit calculations.

606

Chain & Sprocket

ISO 606 chain and sprocket sizing.

54

Gears

ISO 54 module-based gear calculations and meshing.

2D

Technical Drawing

2D drawings with ISO 128/129 layers and dimensions.

3D

3D Model

Interactive 3D models from your calculation parameters.

DXF

DXF Export

1:1 scale, CAD-ready DXF output.