STEP Viewer

STEP Viewer is a app that lets you view STEP (.stp, .step) CAD files in 3D on your iphone.

◆ Key Features

• Convert STEP/STP files to GLB format for 3D rendering

• Touch to zoom, rotate, and pan

• 6-face view change (Front, Right, Back, Left, Top, Bottom)

• Auto-rotation (pauses on touch, resumes after 3 seconds)

• Converted GLB files saved automatically (Download folder)

◆ Supported Formats

• Input: .stp, .step (STEP AP203, AP214)

• Output: .glb (GL Transmission Format Binary)

◆ How to Use

1. Launch the app and tap the folder icon

2. Select a STEP file

3. View the 3D model after conversion

4. Touch to rotate, pinch to zoom

◆ License

This app uses Open CASCADE Technology (LGPL-2.1) library.

https://www.opencascade.com

For inquiries or bug reports, please contact us via email.