GRAITEC TrepCAD 2022 Profressional v22.0.315.0 Multilanguage Win TREPDCAD is the staircase construction software from GRAITEC, especially for the construction of steel staircases and the combination of wooden and steel staircases. Construct your staircase in the shortest possible time and without any CAD knowledge. Assemble freely selectable stair shapes from basic elements such as arches, corners or straight pieces. TREPCAD offers a wide range