Coin: Coin (an Open Inventor API compatible library) Coin: Coin: Coin is a high-level, retained-mode toolkit for effective 3D Coin: graphics development. Cross-platform, full access to source code, Coin: no royalties or run-time fees. Coin: Coin: Homepage: http://www.coin3d.org/lib/coin/ Coin: Coin: Coin: Coin: