It is important to use accurate fabric virtualization in 3D product design prior to the digital design processes, such as creating patterns and virtual prototypes, style testing for physical prototypes, and finally, creating a virtual showroom. Accurate virtual fabric can help achieve the correct appearance when dressing up different styles and models. It can also help all parties evaluate the correct fit by previewing the pressure and tension map and adjusting the pattern accordingly in Vstitcher to instantly improve and perfect the fitting before a style test.