openscad/releases/2010.02.md

• Added functions and statements
  • Added sqrt() function
  • Added round(), ceil() and floor() functions
  • Added lookup() function for linear interpolation in value list
  • Added projection(cut = true/false) statement
  • Added child() statement for accessing child nodes of module instances
  • Added mirror() statement
• Improved DXF import code (more entities and some bugs fixed)
• Added feature for dumping animation as PNG files
• Added a preferences dialog
• Now using CGAL's delaunay tesselator
• Now using eigen2 for linear algebra
• Reorganisation of the source tree
• Some bugs fixed, maybe some new bugs added