With the availablity of Cube, the first 3D printer for the home, and our affordable RapMan and 3DTouch 3D printers it is essential that customers have an alternative to the high priced CAD software currently available. 3D Systems offers Alibre Design, which is definitely one of the most affordable design programs on the market at under $200. And because Alibre Design uses a classic history-based modeler it is easier to learn and use.