Fouth scan and second attempt at merging top and bottom scans in metashape using masks generated from models.
**Metashape**
241 Cameras (iPhoneXS).
Original Model 2.85MM faces.
Decimated to 500K faces.
**Instant Meshes**
Quads auto genterated 118K faces
**Maya**
Fill Holes and create UV's.
**Metashape **
Generate Textures and export model.