Mainstream Design Software
SolodWorks Sheet Metal Module (includes unfolding calculation, bending compensation)
AutoCAD Mechanical (preferred for 2D sheet metal design)
PTC Creo Sheet Metal (for complex curved sheet metal design)
CATIA Sheet Metal (commonly used in the automotive/aerospace sector).
Technical Standards & Specifications
ISO 2768 (General tolerances standard)
DIN 6930 (German standard for sheet metal bending)
ASME Y14.5 (American GD&T standard)