Rename 20251119-a-low-slung-square-blue-vehicle-carries-dashboards-to-be-installed-in-hyundai-sport-utility-vehicles-vehicle_reconstruction.ply to SAM3/20251119-a-low-slung-square-blue-vehicle-carries-dashboards-to-be-installed-in-hyundai-sport-utility-vehicles-vehicle_reconstruction.ply

Rename 20251120_dilfridge_SAM3_reconstruction.ply to SAM3/20251120_dilfridge_SAM3_reconstruction.ply

Rename 20251121_wirebonds_reconstruction.ply to SAM3/20251121_wirebonds_reconstruction.ply

Rename 20251121_cryomech_reconstruction.ply to SAM3/20251121_cryomech_reconstruction.ply

Create SAM3/README.md