Divide the 3D surface into segments (e.g., using DIVIDE on curves), measure the arc lengths, and map them to a flat line to create a profile using the SPLINE command.
Many users mistakenly believe AutoCAD 2021 has a sheet metal unfolding module (it does not). However, if your surface is a solid with uniform thickness , you can use a clever slicing trick. Unfold Surface Autocad -2021-
Often recommended for complex, double-curved surfaces that need to be flattened for fabric or sheet metal. 2. Alternative Autodesk Software Divide the 3D surface into segments (e
This hybrid method is the industry standard because Fusion 360 calculates stretch allowances (K-factors), which AutoCAD 2021 cannot do. using DIVIDE on curves)