These marker points can be used for 3D scanner, practical. The marking point is easy to use. Attaching these markers to the object and giving software a constant feature to track, owning high accuracy, let you have satisfying using feeling. Features -Color:Black -Material:Reflective film,ink -Size:13.30X6.10X0.10cm/5.23X2.40X0.04in -Size:7.60X5.50X0.10cm/2.99X2.16X0.04in -Note: 10mm outer diameter with 6mm inner diameter(large); 6mm outer diameter with 3mm inner diameter(small) -These 3D scanner reflection markers are easy to use, featuring reflective film marker points. -These marker points are reflective and tear-resistant, widely used in architecture, engineering and other fields. -Compatible with most 3D , these markers offer functionality and practicality. -Improve accuracy of 3D scanning with 3D scanning markers, designed to increase accuracy. -These 3D scanning markers are easy to apply, providing easy user experience for professionals and enthusiasts. Package list: 3 x sheets of reflective film marking points(large, 50pcs/sheet) 3 x sheets of reflective film marking points(small, 56pcs/sheet)