STP

The software supports multiple file formats including DWG, DXF, IFC, STL, STEP, IGES, etc. It allows users to read and write files in various formats such as DWG, HTML, STL, STEP, IGES, and more.

The CAD VCL SDK allows developers to create CAD software in Delphi and C++Builder. It offers a range of features such as the ability to edit, import, create and export drawings in various 2D and 3D CAD formats. The supported formats include DWG, DXF, DWF, HPGL, STP, IGS, STL, SLDPRT, X_T, X_B, SVG, and CGM.

Integrate CAD features into various environments, including .NET, HTML / JavaScript, VC++, Delphi, C++Builder, with ActiveX library. Supports AutoCAD DWG/DXF, HPGL, IGS, STP, STL, PDF, SVG, CGM, and more file types.

This CAD software supports a wide range of file formats including AutoCAD DWG, DXF, PLT, SVG, CGM, STEP, IGES, STL, and more. It comes with editing tools, a PDF to DWG converter, 2D/3D measuring capabilities, markup options, and G-code generation directly from CAD files.

STP Viewer is a versatile 3D file viewer that supports multiple formats including STP/STEP, IGS/IGES, STL, OBJ, SAT, BREP, DWG, and DXF. It features a dynamic 3D section tool, measuring tools, and allows for easy conversion of 3D files to various formats, making it a professional-grade software.

Sharecad.org is a cross-platform web-based service for viewing drawings. It supports various formats, including DWG, DXF, and STL, making it accessible on Windows, OS X, Linux, Android, iOS, and Windows Phone.