org.reprap.geometry.polygons
Classes 
AllSTLsToBuild
BooleanGrid
BooleanGridList
chPair
PolPoint
Rr2Point
RrCircle
RrCSG
RrHalfPlane
RrInterval
RrLine
RrPolygon
RrPolygonList
RrRectangle
treeList
Enums 
RrCSGOp
Exceptions 
RrParallelLineException