Download free sample IFC files. The Industry Foundation Classes format (ISO 16739) is the global standard for Building Information Modeling (BIM) exchange. Use these files to test IFC2x3 vs IFC4 schemas, containment hierarchy, and property set extraction. STANDARD Architecture & Structure File Name Specs Size Action small_house_2x3.ifc Schema IFC2x3 The Standard. The most compatible legacy…
Download free sample OBJ files. The Wavefront OBJ format is a simple data-format that represents 3D geometry alone. Use these files to test Material Library (.mtl) linking, Texture mapping (UVs), and parsing speed. STANDARD Geometry & Materials File Name Specs Size Action textured_cube.obj Standard Includes UV coordinates (vt) and links to a .mtl file. Best…
Download free sample STL files. Stereolithography is the standard file format for 3D Printing (Slicers) and CAD. Use these files to test ASCII vs Binary parsing, triangle counts, and mesh integrity (manifoldness). STANDARD Binary vs ASCII File Name Specs Size Action calibration_cube.stl Binary Format A simple 20mm cube. The “Hello World” of 3D printing. Compact…
Download free sample DXF files. Developed by Autodesk to enable interoperability. Use these files to test the critical difference between ASCII (Text) vs. Binary formats and layer handling for CNC/Laser cutting. STANDARD ASCII vs Binary File Name Specs Size Action simple_ascii.dxf ASCII Text Readable in Notepad. The standard format used for 99% of exchanges. Version…
Download free sample DWG files. This is the native binary format for AutoCAD. Use these files to test version compatibility (2010 vs 2018), 2D vs 3D rendering, and external reference (XREF) handling. STANDARD Versions & Dimensions File Name Specs Size Action floor_plan_2010.dwg Legacy (AC1024) Saved in AutoCAD 2010 format. Essential for testing backward compatibility with…