Roof Builder Tools RBT ( to register, free upgrades) from CADShareware is a 3D solid modeling tool for AutoCAD Release 14/2000/2000i. You can also generate 2D architectural elevations inside AutoCAD. By selecting roof ... Cost: $19 Buy full version       Trial version       Publisher: Erik Zetterberg     Descriptions Roof Builder Tools: RBT ( to register, free upgrades) from CADShareware is a 3D solid modeling tool for AutoCAD Release 14/2000/2000i. You can also generate 2D architectural elevations inside AutoCAD. By selecting roof planes from your 2D roof plan, RBT can create any roof model in minutes. RBT helps you learn 3D modeling, build complex roofs quickly, and creates accurate 2D elevations on the fly. Features include support for both angle and pitch input, a metric or standard menu toggle, simple plate finder for dormers and high hips, simple wall extruder, and a Help file and tutorial for easy reference. (Contact sales@cadshareware.com or visit www.cadshareware.com)