Many customers have been in the business of designing and manufacturing products for a long time. There may be times when a customer wants to launch a model based on an old platform with some changes. The old drawings may sometimes be unusable. In such cases Global synergy sigma  takes Reverse Engineering process where the physical part or assembly is broken down, scanned, and converted to a 3D Model. Then customer can make changes to the old design as per requirements and logically take it to manufacturing this.