When Do I Need to use Optimumcut-1D ? At Estimating and Sales Stage !, At Buying Stage !, At Manufacture and Production Stage ! What can be Optimized using Optimumcut-1D ? Optimumcut-1D can be used to create Optimized Cutting Lists from Stock Lengths of Materials used in the Fabrication of Products from many Industries such as: Construction Industry: Curtain Walling, Shopfronts, Windows, Doors, Brise Soleil, Louvres, Trickle Ventilators, ...