Engineering files without the workstation.
Format-specific guidance for opening and inspecting drawings and CAD models locally—and knowing exactly when a viewer is not enough.
How to open a STEP file on iPhone or iPad
Open STEP and STP models on iPhone or iPad. Inspect supported curved surfaces, B-Rep and tessellated geometry locally, with clear import warnings.
Open field manual →IGES / IGSHow to open an IGES file on iPhone, iPad or Mac
Open supported IGES and IGS curved surfaces on iPhone, iPad and Mac. Tessellation runs on device, with no upload or online converter required.
Open field manual →STL / MESHA private STL viewer for iPhone and iPad
Open binary or ASCII STL files locally, inspect mesh geometry and check dimensions, triangle count, area and enclosed volume on iPhone or iPad.
Open field manual →MAC / DESKTOPHow to view STEP, STL and OBJ files on Mac
Use a lightweight local CAD viewer on Mac to inspect supported STEP, STL and OBJ geometry, isolate parts and create a compact PDF report.
Open field manual →AR / FIELDHow to inspect a 3D CAD model in AR on iPhone
Place supported rendered STL, OBJ or STEP geometry on a detected surface with CadRoam Pro and understand scale, tracking and inspection limits.
Open field manual →DWG / MACBest DWG viewer for Mac (2026)
AutoCAD has no Mac-native free viewer. Compare the four realistic ways to open a DWG file on macOS and see where a local, one-time-purchase viewer such as CadRoam fits.
Open field manual →DWG / IOSHow to open a DWG file on iPhone or iPad
Open an AutoCAD DWG drawing on iPhone or iPad without a subscription or a browser upload, and understand which revisions and drawing entities are supported.
Open field manual →DXF / APPLEBest DXF viewer for Mac, iPhone and iPad
Open ASCII and binary DXF drawings on Apple devices without a converter site. Compare the options and see what a local DXF parser reads from a real drawing.
Open field manual →STEP / MACBest STEP file viewer for Mac (2026)
Open STEP and STP assemblies on macOS with exact B-Rep and curved-surface support, locally, without a CAD subscription or an upload to a conversion service.
Open field manual →CAD / IPADBest CAD viewer app for iPad (2026)
One iPad app that opens DWG, DXF, STEP, IGES, STL and OBJ locally, works with no signal, and costs one payment instead of a subscription.
Open field manual →DWG / NO CADHow to open a DWG file without AutoCAD
Four ways to read an AutoCAD drawing when you do not own AutoCAD, what each one costs you in privacy or structure, and which fits occasional review.
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