Aeshna vs STP Viewer

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/

With our advanced 3D rendering engine, you can open large and complex computer-aided design (CAD) files seamlessly. The app acts as an all-in-one CAD file reader, allowing you to access critical data whenever and wherever you need it. ### Why Choose This STP & STEP Viewer? Google and web searches often show that finding a lightweight mobile tool to view STEP files can be challenging. Our app solves this by focusing purely on speed, rendering accuracy, and an intuitive user interface. It works flawlessly as both an STP viewer and a STEP viewer, ensuring compatibility with standard ISO 10303 files exported from any modern CAD ecosystem. ### Key Technical Features: • Comprehensive STP & STEP Support: Fully optimized to read and render both .stp and .step file extensions. • Fluid 3D Navigation: Experience smooth orbiting, panning, and pinch-to-zoom gestures even with high-polygon assemblies. • Instant File Loading: Open CAD models directly from your iOS Files app, iCloud Drive, email attachments (Gmail, Outlook), or communication tools like Slack and WhatsApp. • Structural Integrity: View complex mechanical assemblies and nested components with high visual fidelity. • Offline Accessibility: Fully functional without an active internet connection. Perfect for secure facilities, remote fields, or offline workshops. • Battery & RAM Efficient: Engineered using modern mobile graphics frameworks to prevent overheating and excessive battery drain. ### Cross-Platform Ecosystem Compatibility: This mobile 3D viewer supports files generated from all major CAD software suites. If your workflow involves files exported from any of the following platforms, our app is your ideal mobile companion: • SolidWorks & Autodesk Fusion 360 • AutoCAD & Autodesk Inventor • CATIA & PTC Creo • Rhino 3D & Siemens NX • TurboCAD, FreeCAD, and more. ### Tailored for Engineering Professionals: • Mechanical & Aerospace Engineers: Quickly review part tolerances and geometry during team alignment meetings. • CNC Programmers & Machinists: Verify 3D model structures directly next to the machine without running back to a computer. • Sales & Project Managers: Showcase highly detailed interactive 3D prototypes to clients during sales pitches and presentations. • 3D Printing Enthusiasts: Check standard CAD exports before sending them to slicing software. ### Flexible Premium Plans: Gain unlimited access to advanced viewing features, large file processing, and a completely ad-free workspace. Choose the subscription model that aligns with your professional workflow: • Weekly Plan: Ideal for short-term design reviews, sudden project deadlines, or quick freelance jobs. • Monthly Plan: Great for ongoing manufacturing sprints, contract work, and mid-term engineering projects. • Yearly Plan: Our best-value option providing year-round, uninterrupted access for dedicated CAD professionals and engineering teams. Privacy Policy: https://sites.google.com/view/stepviewerpolicy/home Terms of Service: https://sites.google.com/view/stp-viewer-appterms/home