• Markers for 3D scanning is used to assist a 3D scanner capturing point cloud data of objects with few geometric features. 
• Marker is beneficial when you want to scan a smooth object, like a cup, a car, or anything with a smooth surface.
• On the adhesive foil as a tear-off pad, easy to use.Attaching markers to the object and giving the software a "constant feature" to track and ensures the highest
• The inner diameter is 1.5mm, the outer diameter is 3mm, 
• The inner diameter is 3mm, the outer diameter is 6mm, 
• The inner diameter is 5mm, the outer diameter is 9mm, 
• The inner diameter is 6mm, the outer diameter is 10mm, 
• The inner diameter is 9mm, the outer diameter is 12mm, 
• And so on, a variety of specifications.