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OpenSCAD Changelog

What's new in OpenSCAD 2019.05-10

May 23, 2019
  • Language Features:
  • Added assert() module and assert() function
  • Added let() module
  • Added ord() function
  • Added echo() function
  • Added type testing functions: is_undef(), is_list(), is_num(), is_bool(), is_string()
  • New special variable: $preview
  • List comprehension updates: if/else condition, each keyword, C-style for loop, looping over characters of a string
  • rotate_extrude(): Added angle parameter
  • import() now supports SVG, 3MF and AMF
  • color() now supports hex color codes
  • Program Features:
  • Customizer: Allow parametrizing design parameters with GUI customization
  • 3D-Mouse / Joystick / Gamepad support
  • 3D Printing support: Purchase from a print service partner or print to Octoprint
  • New export file formats: SVG, 3MF, AMF
  • Quick-edit and preview of values using Alt-Arrows (Shift-Alt-Arrows on macOS)
  • Added --view cmd-line parameter
  • Play sound notification on render complete
  • Revamped errors and warnings
  • New translations: Ukrainian, Polish
  • Deprecations:
  • Removed glide() and subdiv() which were never implemented

New in OpenSCAD 2016.06.25 Snapshot (Jun 26, 2016)

  • Language Features:
  • Added angle parameter to rotate_extrude().

New in OpenSCAD 2015.03-3 (Feb 18, 2016)

  • Auto-update vulnerability fix.

New in OpenSCAD 2015.03-2 (Nov 16, 2015)

  • Bug fixes:
  • 1483 - Fix Z-fighting in Ortho view
  • 1479 - No check for infinite $fn
  • 1472 - "nan" in list comprehension causes crash
  • 452 - rands() fails when the seed is a floating point number
  • 1407 - Recursive module crash
  • 1425 - Animate Filename Generation - Duplicate/Missing Filenames
  • 1420 - expression-evaluation-tests fails on arm64
  • 1410 - Crash when a polygon contains NaN
  • 1378 - Linear extrude plus infinite twist causes crash instead of just an error
  • 1358 - Add more detailed installer information including version number
  • 1356 - Crash when multiplying matrices with undefined elements
  • 1350 - Saving file when HD is full ends up in data loss
  • 1337 - Simple detection of script and direction based on given text
  • 1325 - Crash when polygons with > 3 indices turn out to be degenerate
  • 1329 - version() returned ```[0,0,0]```

New in OpenSCAD 2015.03-1 (Nov 16, 2015)

  • Bug fixes:
  • 1258 - Occasional crash when exporting STL
  • 1260 - Minimal window width too large
  • 1264 - Replace All sometimes caused a hang
  • 1274 - Fixed some preview bugs on Intel GPUs (OpenCSG 1.4.0)
  • 1276 - Module recursion sometimes caused a crash
  • 1277 - Automatic reload sometimes messed up camera position
  • 1284 - Animation flicker eliminated
  • 1294 - Support reproducible builds
  • 1317 - Normals vectors in STL were sometimes 0 0 0

New in OpenSCAD 2015.03 (Mar 10, 2015)

  • 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()
  • Program Features:
  • Added Toolbar icons
  • New code editor based on QScintilla
  • Added Splash screen
  • Added SVG export
  • Added AMF export
  • Added --viewall and --autocenter cmd-line parameters
  • GUI is now translated into German, Czech, Spanish, French and Russian
  • MDI (Multiple Document Interface) is now available on all platforms
  • Color schemes for viewer and editor can be user-edited using JSON files
  • GUI components are now dockable
  • Added Tickmarks on axes
  • Bug fixes/improvements:
  • Performance improvement: 2D (clipper), preview, hull, minkowski, surface
  • Performance improvement: Reduce duplicate evaluation of identical expressions
  • Better recursion behavior
  • STL export and import is now more robust
  • Internal cavities are better supported
  • New examples
  • Windows cmd-line behaves better
  • Better mirror() and scale() behavior when using negative factors
  • Deprecations:
  • polyhedron() now takes a faces= argument rather than triangles=
  • assign() is no longer needed. Local variables can be created in any scope

New in OpenSCAD 2014.03 (Mar 11, 2014)

  • 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
  • Cmd-line: --csglimit parameter to change CSG rendering limit
  • Cmd-line: Better handling of cmd-line arguments under Windows
  • GUI: Added Reset View
  • GUI: Added Search&Replace in editor
  • GUI: Syntax highlighting now has a dark background theme
  • GUI: We now create a backup file before rendering to allow for recovery if OpenSCAD crashes/freezes
  • GUI: Accessibility features enabled (e.g. screenreading)
  • Bugfixes/improvements:
  • Reading empty STL files sometimes caused a crash
  • OPENSCADPATH now uses semicolon as path separator under Windows
  • polyhedron() is now much more robust handling almost planar polygons
  • Automatic reloads of large designs are more robust
  • Boolean logic in if() statements are now correctly short-circuited
  • rands() with zero range caused an infinite loop
  • resize(, auto=true) didn't work when shrinking objects
  • The $children variable sometimes misbehaved due to dynamic scoping
  • The --camera cmd-line option behaved differently then the corresponding GUI function
  • PNG export now doesn't leak transparency settings into the target image
  • Improved performance of 3D hull() operations
  • Some editor misbehaviors were fixed
  • Stability fixes of CGAL-related crashes
  • Windows cmd-line can now handle spaces in filenames
  • Default CSG rendering limit is now 100K elements
  • Fixed a crash reading DXF files using comma as decimal separator
  • Fixed a crash running the cmd-line without a HOME env. variable
  • Intersecting something with nothing now correctly results in an empty object
  • Deprecations:
  • child() is no longer supported. Use children() instead.
  • polyhedron(triangles=[...]): Use polyhedron(faces=[...]) instead.
  • Misc:
  • Test framework now shares more code with the GUI app
  • Test report can now be automatically uploaded to dinkypage.com
  • Better compatibility with BSD systems
  • Qt5 support

New in OpenSCAD 2013.06 (Oct 23, 2013)

  • 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), see example024
  • Parameter list values can now depend on earlier values: for (i=[0:2], j=[0:i])
  • value assignments in parameters can now depend on already declared parameters
  • Added resize() module
  • Program Features:
  • Added basic syntax highlighting in the editor
  • There is now a built-in library path in user-space
  • Commandline output to PNG, with various camera and rendering settings.
Run openscad -h to see usage info or see the user manual
  • Attempting to open or drag&drop dxf, off or stl files in the GUI will now create an import statement.
  • The preview operator (%) will now preserve any manually set color
  • The highlight operator (#) will now color the object in transparent red
  • Mac: Added document icon
  • Mac: Added auto-update check
  • Windows: Better cmd-line support using the openscad.com executable
  • Bug fixes:
  • Importing files is now always relative to the importing script, also for libraries
  • We didn't always print a warning when CSG normalization created too many elements
  • Binary STLs can now be read on big endian architectures
  • Some binary STLs couldn't be read
  • Fixed some issues related to ARM builds
  • CGAL triangulation more lenient - enables partial rendering of 'bad' DXF data
  • The Automatic Reload feature is now more robust
  • If a file couldn't be saved it no longer fails silently
  • Fixed a number of crashes related to CGAL and OpenCSG rendering or complex models
  • The lookup() function had bad boundary condition behavior
  • The surface() module failed when the .dat file lacked a trailing newline
  • The hull() module could crash if any of the children were empty objects
  • Some problems using unicode filenames have been fixed
  • Misc:
  • Build scripts have been further improved
  • Regression test now creates single monolithic .html file for easier uploading
  • Regression test auto-starts & stops Xvfb / Xvnc if on headless unix machine
  • The backend is finally independent of Qt
  • Windows: We now have a 64-bit version

New in OpenSCAD 2013.06.06 Snapshot (Jun 7, 2013)

  • 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 in parameters can now depend on already declared parameters
  • value reassignment is now less strict
  • Added resize() module: http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#resize
  • Program Features:
  • Added basic syntax highlighting in the editor
  • There is now a built-in library path in user-space: http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Libraries#Library_Locations
  • Commandline output tPNG, with various camera and rendering settings. Run openscad -h tsee usage info.
  • Attempting topen dxf, off or stl files in the GUI will now create an import statement.
  • The preview operator (%) will now preserve any manually set color
  • The highlight operator (#) will now color the object in transparent red
  • Mac: Added document icon
  • Mac: Added auto-update check
  • Windows: Better cmd-line support using the openscad.com executable
  • Bug fixes:
  • Importing files is now always relative tthe importing script, alsfor libraries
  • We didn't always print a warning when CSG normalization created tomany elements
  • Binary STLs can now be read on big endian architectures
  • Some binary STLs couldn't be read
  • Fixed some issues related tARM builds
  • CGAL triangulation more lenient- enables partial rendering of 'bad' DXF data
  • The Automatic Reload feature is now more robust
  • If a file couldn't be saved it nlonger fails silently
  • Fixed a number of crashes related tCGAL and OpenCSG rendering or complex models
  • The lookup() function had bad boundary condition behavior
  • The surface() module failed when the .dat file lacked a trailing newline
  • The hull() module could crash if any of the children were empty objects
  • Some problems using unicode filenames have been fixed
  • Misc:
  • Build scripts have been further improved
  • Regression test now creates single monolithic .html file for easier uploading
  • Regression test auto-starts & stops Xvfb / Xvnc if on headless unix machine
  • The backend is finally independent of Qt
  • Windows: We now have a 64-bit version

New in OpenSCAD 2013.05.25 Snapshot (May 29, 2013)

  • 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 in parameters can now depend on already declared parameters
  • value reassignment is now less strict
  • Added resize() module: http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Transformations#resize
  • Program Features:
  • Added basic syntax highlighting in the editor
  • There is now a built-in library path in user-space: http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Libraries#Library_Locations
  • Commandline output tPNG, with various camera and rendering settings. Run openscad -h tsee usage info.
  • Attempting topen dxf, off or stl files in the GUI will now create an import statement.
  • The preview operator (%) will now preserve any manually set color
  • The highlight operator (#) will now color the object in transparent red
  • Mac: Added document icon
  • Mac: Added auto-update check
  • Bug fixes:
  • Importing files is now always relative tthe importing script, alsfor libraries
  • We didn't always print a warning when CSG normalization created tomany elements
  • Binary STLs can now be read on big endian architectures
  • Some binary STLs couldn't be read
  • Fixed some issues related tARM builds
  • CGAL triangulation more lenient- enables partial rendering of 'bad' DXF data
  • The Automatic Reload feature is now more robust
  • If a file couldn't be saved it nlonger fails silently
  • Fixed a number of crashes related tCGAL and OpenCSG rendering or complex models
  • The lookup() function had bad boundary condition behavior
  • The surface() module failed when the .dat file lacked a trailing newline
  • The hull() module could crash if any of the children were empty objects
  • Some problems using unicode filenames have been fixed
  • Misc:
  • Build scripts have been further improved
  • Regression test now creates single monolithic .html file for easier uploading
  • Regression test auto-starts & stops Xvfb / Xvnc if on headless unix machine
  • The backend is finally independent of Qt

New in OpenSCAD 2013.01 (Jan 23, 2013)

  • Features:
  • Snappier GUI while performing CGAL computations (computations running in separate thread)
  • The size of the misc. caches can now be adjusted from Preferences
  • The limit for when tdisable OpenCSG can now be adjusted from Preferences
  • Added Dot product operator: vec * vec
  • Added Matrix multiplication operator: vec * mat, mat * mat
  • Added search() function
  • Dependencies are now tracked - any changes in uses/included files will be detected and cause a recompile
  • The OPENSCADPATH environment variable is now implemented will have precedence when searching for libraries
  • .csg files can now be opened from the GUI
  • linear_extrude() will now assume that the first parameter means 'height' if it's a number
  • Bug fixes:
  • use'ing an non-existing file sometimes crashed under Windows
  • Better font handling: Ensure a monospace font is chosen as default
  • Division by zercaused hang in some cases (e.g. sin(1/0))
  • Larger minkowski operations sometimes caused a crash after a CGAL assert was thrown
  • Fixed crashes in shared_ptr.hpp (or similar places) due bugs in cache management and CSG normalization
  • scale() with a scale factor of zercould cause a crash
  • Fixed a number of issues related tuse/include
  • Providing an unknown parameter on the cmd-line caused a crash
  • cmd-line overrides using -D now alswork for USEd modules
  • Modifier characters can now be used in front of if statements
  • rotate() with a vector argument with less that 3 elements used uninitialized variables, ending up being non-deterministic.
  • .csg files will now have relative filenames whenever possible
  • Don't just ignore geometric nodes having zervolume/area - when doing difference/intersection, they tend tturn negative objects intpositive ones.
  • Always use utf-8 file encoding, alsunder Windows
  • A lot of build script fixes
  • Some other crash bugs fixes
  • Deprecations:
  • The old include syntax "" without the include keyword is no longer supported and will cause a syntax error.

New in OpenSCAD 2011.12 (Jan 17, 2012)

  • Features:
  • The MCAD library is now bundled with OpenSCAD
  • Added len() function. Takes one vector or string parameter and returns its length.
  • The index operator [] now works on strings
  • The version() function will return the OpenSCAD version as a vector, e.g. [2011, 09]
  • The version_num() function will return the OpenSCAD version as a number, e.g. 20110923
  • hull() Now supports 3D objects
  • hull() with 2D object can now use for loops and boolean operations as children
  • New import() statement reads the correct file format based on the filename extension (.stl, .dxf and .off is supported)
  • The color() statement now supports an alpha parameter, e.g. color(c=[1,0,0], alpha=0.4)
  • The color() statement now supports specifying colors as strings, e.g. color("Red")
  • The color() statement now overrides colors specified further down in the tree
  • if()/else() and the ternary operator can now take any value type as parameter. false, 0, empty string and empty vector or illegal value type will evaluate as false, everything else as true.
  • Strings can now be lexographically compared using the = operators
  • Added PI constant.
  • Number literals in scientific notation are now accepted by the parser
  • Added import and export of the OFF file format
  • Now uses standard shortcuts for save, reload and quit on Linux and Windows. F2/F3 will still work but is deprecated.
  • Bug fixes:
  • Complex CSG models sometimes took extremely long time tnormalize before OpenCSG preview
  • square() crashed if any of the dimensions were zero
  • Flush Caches didn't flush cached USE'd modules
  • STL export should be a bit more robust
  • Dropping a file intthe editor under Windows didn't work (double C:/C:/ problem)
  • On some platforms it was possible tinsertion rich text in the editor, causing confusion.
  • Less crashes due tCGAL assertions
  • OpenCSG should now work on systems with OpenGL 1.x, given that the right extensions are available
  • include now searches librarydir
  • The $fs parameter yielded only half the number of segments it should have
  • surface(center=true) is now correctly centered in the XY plane
  • Deprecations:
  • dxf_linear_extrude() and dxf_rotate_extrude() are now deprecated. Use linear_extrude() and rotate_extrude() instead.
  • The file, layer, origin and scale parameters tlinear_extrude() and rotate_extrude() are now deprecated. Use an import() child instead.
  • import_dxf(), import_stl() and import_off() are now deprecated. Use import() instead.
  • When exporting geometry from the cmd-line, use the universal -option. It will export tthe correct file format based on the given suffix (dxf, stl, off). The -x and -s parameters are still working but deprecated.
  • F2 and F3 for Save and Reload is now deprecated