Exchangeable 3D file formats — such as STL, OBJ, PLY, and 3MF — encode measurement data as vertices, edges, and faces. Key principles governing their use in contests include:
Older contest pages disappear. Paste suspected URL patterns into web.archive.org. Example:
https://example.com/serge3dxmeasuringcontest/principal_link
Create a leaderboard with error metrics (RMS, maximum deviation) after PCA alignment. file serge3dxmeasuringcontestandprincipa link
You might find files named like:
contest_measuring_data_principa.xyz
Serge3DX_principal_scan1.ply
In these, “principa” signals that the data has been rotated to principal axes – vital for reproducible comparison. Exchangeable 3D file formats — such as STL
Though “Serge” is not a known brand in mainstream metrology, it may refer to:
If you believe such a contest exists with downloadable files, proceed to Part 4 of this article for safe search strategies. Create a leaderboard with error metrics (RMS, maximum
If you cannot find the original “serge3dx” contest, why not create your own? Here is a simplified framework.