openscad

Language Features

• New

  • Add function literals
  • Add exponent function (e.g. 2^3)
  • Add convexity parameter to resize()
  • Add support for generic tail recursion
  • Add $vpf for viewport field of view
  • Add warnings for ranges with begin < end
  • Add warnings for matrix structure problems

• Changed

  • Allow random seeds to stick between rands() calls
  • Make compar...

Language Features:

• New modules
  • assert() - stop script evaluation on failed constraints
  • let() - scoped assignment
• New functions
  • ord() - convert from character to Unicode code point
  • echo()
  • assert() - stop script evaluation on failed constraints
  • Type testing functions: is_undef(), is_list(), is_num(), is_bool(), is_string()
• New special variable...

Language Features:

• Added text() module for 2D text
• Added offset() module for 2D offsets
• Added list comprehensions and let()
• Added concat() function
• Added chr() function
• surface() can now take PNG images as input
• min() and max() can now take a vector argument
• 2D minkowski can now handle polygons with holes
• Variables can now be assigned in local blocks without using assign()

*...

Language Features:

• Added diameter argument: circle(d), cylinder(d, d1, d2) and sphere(d)
• Added parent_module() and $parent_modules
• Added children() as a replacement for child()
• Unicode strings (using UTF-8) are now correctly handled
• Ranges can have a negative step value
• Added norm() and cross() functions

Program Features:

• Cmd-line: --info parameter prints system/library info...

Language Features:

• linear_extrude now takes a scale parameter: linear_extrude(height=a, slices=b, twist=c, scale=[x,y])
• Recursive use of modules is now supported (including cascading child() operations): https://github.com/openscad/openscad/blob/master/examples/example024.scad
• Parameter list values can now depend on earlier values, e.g. for (i=[0:2], j=[0:i]) ..
• value assignments i...