edu.mit.sketch.geom package
lLine extends java.awt.geom.Line2D.Double
lEllipse extends java.awt.geom.Ellipse2D.Double
lPolygon extends java.awt.Polygon (except must be closed explicitly)
lPoint extends java.awt.Point
l
lGeneralPath extends java.lang.Object
–Internally stores a java.awt.geom.GeneralPath  instance
lRectangle extends java.lang.Object