Aeshna

Aeshna is a professional CAD viewer and inspection tool for STEP and IGES files. Open, inspect, measure, and review 3D models directly on your device — no account required and no cloud upload.

KEY FEATURES

• STEP & IGES Support
Open STEP, STP, IGES, and IGS files directly on your iPhone or iPad.

• Assembly Tree
Navigate assembly structures, inspect components, and control model visibility.

• Section View
Cut through models to inspect internal geometry and hidden details.

• Exploded View
Separate assembly components to better understand structure and relationships.

• Precision B-Rep Measurement
Measure distances, angles, areas, and volumes directly from B-Rep geometry.

• PMI Support
View dimensions, tolerances, datums, and other PMI information stored in STEP files.

• Screenshot Markup
Add drawings, shapes, and notes to model screenshots for review and sharing.

• Multi-Format Export
Export models to STEP, IGES, STL, OBJ, glTF, VRML, and other common formats.

• Large Model Processing
Use a paired Mac to process CAD models too large for your iPhone or iPad, then seamlessly continue viewing them on your device.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/