3D CAD & Mesh Viewer

3D CAD & Mesh Viewer is a fast, professional viewer for CAD and mesh models on iPhone, iPad and Mac.

Import a model and inspect it immediately in an interactive 3D workspace. Rotate, pan, zoom, select geometry and review model information through a clean interface designed for quick engineering checks, design reviews and workshop use.

Standard file support

View these formats without upgrading:

STL
OBJ
PLY
3MF
Standard viewer features
Smooth orbit, pan, zoom, fit and reset controls
Shaded, wireframe, edge and X-ray display modes
Model dimensions and bounding-box information
File, mesh, vertex and triangle statistics
Object selection with hide, isolate and show-all controls
Saved viewpoints
Screenshot and source-file sharing
Import from the Files app, iCloud Drive and supported cloud providers
Offline model viewing
CAD Pro

CAD Pro is an optional non-consumable upgrade that adds professional CAD inspection tools, including:

STEP and STP file import
AP203, AP214 and AP242 support
Assembly and component browsing
Preservation of available component names and colours
Component, body, face and edge selection
Hide, isolate and inspect individual components
Distance, angle, radius and diameter measurements
Section and clipping planes
Exploded assembly views
Approximate surface area and closed-body volume
Estimated mass using selectable material densities
GLB and USDZ export
USDZ preview and sharing
AR placement on supported iPhone and iPad devices
Model Assistant on supported Apple Intelligence devices

Built for engineers, designers, fabricators, makers and anyone who needs to inspect 3D models quickly without a full desktop CAD package.