CadAuto: DWG DXF CAD Viewer 3D

[CAD Viewer] CadAuto is a professional CAD viewer for DWG, DXF, DWT and DWS engineering drawings. Open large files fast and browse complex drawings smoothly. Ideal for architecture, construction management, interior renovation, mechanical manufacturing, electrical engineering and HVAC projects. [Lightweight CAD Editing] Add text, arrows, rectangles and freehand marks directly on your phone to meet on-site markup and design communication needs. [Text Annotation] Add drawing notes and text callouts for construction feedback, design revisions, issue tracking and client communication. [Freehand Markup] Circle, sketch and add arrow marks directly on the drawing when you find issues on site, improving communication efficiency. [Measurement Tools] Built-in professional measurement: distance, area, angle and coordinate readout. Suitable for construction, machining, interior fit-out and site layout. [CAD to PDF] Convert CAD drawings to PDF and export engineering files quickly. [Export & Sharing] DXF export and engineering file sharing, including exchange files such as .igs and .step. [Layer Management] Show, hide and browse layers separately so complex drawings stay clear. [3D Viewing] View 3D models on mobile with smooth performance.