$ git clone git://github.com/aewallin/libcutsim.git
$ cd libcutsim
$ mkdir build
$ cd build
$ cmake ../src
$ make
$ sudo make install
use !

check py/ for examples 

see also: http://openscam.com/

References

Sarah F. Frisken, Ronald N. Perry, Alyn P. Rockwood, Thouis R. Jones
Adaptively Sampled Distance Fields: A General Representation of Shape for
Computer Graphics
http://www.merl.com/papers/docs/TR2000-15.pdf
http://www.merl.com/papers/docs/TR2006-054.pdf

Dual Contouring of Hermite Data
http://www.cs.rice.edu/~jwarren/papers/dualcontour.pdf

Dual Contouring "The Secret Sauce"
http://www.cs.rice.edu/~jwarren/papers/techreport02408.pdf

Hong T. Yau, Lee S. Tsou and Yu C. Tong
Adaptive NC Simulation for Multi-axis Solid Machining
http://www.cadanda.com/V2Nos1to4_11.pdf

 Hong-Tzong Yau and Lee-Sen Tsou 
Efficient NC Simulation for Multi-Axis Solid Machining With
a Universal APT Cutter
http://computingengineering.asmedigitalcollection.asme.org/article.aspx?articleid=1401485