Support of Autodesk AutoCAD DXF open format (import and export). Powerful Drawing Tools: Line, XLines, Ray, Arc, Circle, Ellipse, Ellipse Arc, Polyline, Polygon, Rectangle, Text, Spline (NURBS) Curve, Bezier Curve, Hatch, Image. Object snaps: snap to grid, endpoints, points on entities, snap perpendicular, snap tangential, snap to center points, snap to middle points, snap to intersections Layer support: Entity properties driven by layer properties (color, line width, line type), layer creation,
