OpenSCAD Tips

$ Official help
OpenSCAD language ref
Cheet sheet: Official, KitWallace's
Work in Progress
Nightly snapshots
OpenSCAD forum
OpenSCAD freenode IRC
$ tips
animation ( gif, prodVid, animlib, imgsize, JordanBrown)
area
Associated Array: See hash below
Bezier, Eric Buijs' PolyBeziers
Bounding box (1) doc handles only one obj; (2) Ronado handles one or more
Chinese font
color/HTML color: MichaelAtOz
Curved Image
Curve Text: JustinSDK, MichaelAtOz
Degenerate polygon Ronaldo
Dimensioning: Don Smiley's dimlines: new ver, doc
excel-control
Flatten surface: nophead's, runsun's, osresearch papercraft, Parkinbot's
$fa,$fs,$fn, 1,Ian
gear, Parkinbot
Geodisc William Adams,2, Yona Appletree
hash: 1, 2, Search-based hash
isosphere(2)
lerp
Lazy Union by Parkinbot, Ronaldo's
makefile
matrix(2,3); invert
Parser: runsun's scadx_match, Parkinbot's stl parser, APruss' Function parser, Carl Davidson's string.scad
precision(2)
RGB
Round Anything by irev dev
rounded polygon
Search(): details
Shelling: jweoblog
Sphere 1
Spring: Parkinbot
sweep (1,2,3), Benjemin Easing Func
tail Recursion(2,3,4)
text, Carl Davidson's str lib
testing: tests in OpenSCAD(2,3), RoyaSutton(pdf), runsun's doctest
triangulation
Tube: Ronaldo's, Runsun's, Johan's
type-checking
unit
variable(2)
volume/center
Warning, User
Wavy solid: Parkinbot's
$ My libs
scadx
doctest
faces(git)
offline doc(git)
runscad.py(2, git)
synwrite(2)
$ tools
Daid's Polygon maker
Polygon Rabbit
STL viewers
Smithsonia X3D explorer
SVGNesting
SketchPad
GoJS polygon drawing
osresearch papercraft
Neon22's Inkscape to OpenSCAD converter
Desmos math calculator/plotter
Define/draw Bezier curve w/ desmos
$ Libs
Carl Davidson's Relativity
$ Lib systems
Roya Sutton's odml pdf
Jonathan Law's JointSCAD
Justin Lin's dotSCAD
Revar Desmera's Belfry OpenScad Library
$ OpenSCAD variations
openjscad
ImplicitCad (ExtOpenScad)
OpenSCAD on rollApp
OpenSCAD on AWS(pdf)
OpenPyScad
SolidPython
$ Other cads
blockscad
freeCAD
snapSCAD
3DDoctors.net
$ Other portals
shapeoko.com
Fablab
William Adams
$ Inspiration
Santos's js 2d/3d transform lib
Bending
$ References
Math: R.Penner's Easing func
Geometry: 2d collision detect in js

$ Runsun Pan, PhD