Home Conversions BREP to PLY
BREP → PLY Convert BREP to PLY Turn a BREP CAD model into a PLY mesh. Curved surfaces are meshed finely enough to stay smooth, and the part keeps its real size and orientation.
Fine, accurate meshing of curved surfaces Real size and right way up Runs on your computer: nothing is uploaded
How to convert BREP to PLY Add your BREP file Drop it on the converter above or click browse. It opens in your browser, so nothing is uploaded.
Check the format is PLY PLY is already selected. You can switch to any other output from the menu.
Convert and download Click Convert and your PLY file is ready in seconds. Download it straight away.
What is BREP? BREP is the native exact-geometry format of the OpenCascade kernel, used by FreeCAD, CadQuery and many engineering tools built on it.
Full name OpenCascade boundary representation Type Exact CAD geometry Used in FreeCAD, CadQuery, Salome, OpenCascade-based tools Strength Lossless for OpenCascade-based software. Limits Rarely supported outside the OpenCascade family. More about BREP What is PLY? PLY stores meshes and point clouds, often with per-vertex colour. It is the usual output of 3D scanners and photogrammetry software.
Full name Polygon File Format (Stanford) Type Triangle mesh Used in MeshLab, CloudCompare, Blender, 3D scanner software Strength Handles scans and per-vertex colour. Limits Little support in CAD tools. More about PLY
Good to know BREP stores exact surfaces; PLY needs triangles. We mesh each surface with a deviation of 0.05% of the part's size, which keeps holes and fillets smooth for printing and rendering.
Dimensions stay in the units of the original file, usually millimetres.
Questions Will curves look faceted? No. Curved faces are meshed with a tight tolerance, so holes and fillets stay smooth.
Does it keep the size of my part? Yes. The mesh has the same dimensions as the CAD model.
Are my files uploaded? No. Everything runs in your browser.