Quickie Engineer's abundant drawing features are powerful and easy to use. The program is used in professional engineering, drafting and architectural applications and as a personal CAD system for casual and household drawings. Quickie Engineer has many...

WingMaster wing designer is software for model airplane wing design. Specify camber and centerline sheeting of an airfoil along with hundreds of other features. WingMaster lets you produce any NACA 4-digit, 5-digit, or 6-series airfoil, or select from...