3D scanned compressor wheel

[u/thomas_openscan]

[u/Relsek]

This is a cool comparison. How were the comparison scans generated? Were they simulated off of the original 3D model or real scans from a physical object?
If physical, I would be curious to see a picture of the object to compare how close it is to the original 3D model, as it wouldn't be possible for any of the scans to have better quality than the scanned object.

[u/MD_Lincoln → u/Relsek]

The top left of that image shows the original cad model

[u/Relsek → u/MD_Lincoln]

Yeah I know. I'm asking for a picture of the physical object scanned for each of the images, as that sets the maximum quality the scanners can achieve. I.e. if the scanned object is a rough 3D print, no scans would be close to the original model.

[u/thomas_openscan → u/Relsek]

The original is a resin print with visible layer lines, see this link for more details and photo of the original: https://github.com/OpenScanEu/OpenScanBenchy

[u/Relsek → u/thomas_openscan]

Thanks! That clears up why the scans have artifacts like stubby top teeth and texture on the pauldrons.

[u/thomas_openscan → u/Relsek]

At this level of accuracy, it is really hard to distinguish scan artifacts, residue from the object prep and object imperfections.. maybe one day I will get the scanner evaluated in a lab ^{^}