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.