The AATCC Viewing Board GT-D38B is a professional textile appearance evaluation device used to assess fabric and garment appearance under standardized lighting conditions. Designed to comply with AATCC 88B, 88C, 124, and 143, ISO 7768, ect Standard. it enables accurate grading of smoothness appearance, seam smoothness, crease retention, and wrinkle recovery. Widely used in textile testing laboratories, garment manufacturers, and quality control departments, the AATCC Viewing Board helps ensure consistent visual assessments and reliable textile quality evaluation.