Geoff deRosenroll d3f13ab0dc Match affine3d skews up to affine2d_skew behaviour
Currently, affine2d_skew and affine3d_skew_xy have different behaviour.
Similarly, affine3d_skew_xz and affine3d_skew_yz do not skew the same
was as affine2d_skew does (if you were to look down the third axis at
the relevant plane). This commit brings them into agreement.
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BOSL2

BOSL2 Logo

The Belfry OpenScad Library, v2

A library for OpenSCAD, filled with useful tools, shapes, masks, math and manipulators, designed to make OpenSCAD easier to use.

  • NOTE: BOSL2 IS BETA CODE. THE CODE IS STILL BEING REORGANIZED.
  • NOTE2: CODE WRITTEN FOR BOSLv1 PROBABLY WON'T WORK WITH BOSL2!

Join the chat at https://gitter.im/revarbat/BOSL2 BOSL2 Docs

Installation

  1. Download the .zip or .tar.gz release file for this library.
  2. Unpack it. Make sure that you unpack the whole file structure. Some zipfile unpackers call this option "Use folder names". It should create either a BOSL-v2.0 or BOSL2-master directory with the library files within it. You should see "examples", "scripts", "tests", and other subdirectories.
  3. Rename the unpacked main directory to BOSL2.
  4. Move the BOSL2 directory into the apropriate OpenSCAD library directory for your platform:
    • Windows: My Documents\OpenSCAD\libraries\
    • Linux: $HOME/.local/share/OpenSCAD/libraries/
    • Mac OS X: $HOME/Documents/OpenSCAD/libraries/
  5. Restart OpenSCAD.

Examples

A lot of the features of this library are to allow shorter, easier-to-read, intent-based coding. For example:

BOSL2/transforms.scad Examples Raw OpenSCAD Equivalent
up(5) translate([0,0,5])
xrot(30,cp=[0,10,20]) translate([0,10,20]) rotate([30,0,0]) translate([0,-10,-20])
xcopies(20,n=3) for (dx=[-20,0,20]) translate([dx,0,0])
zrot_copies(n=6,r=20) for (zr=[0:5]) rotate([0,0,zr*60]) translate([20,0,0])
skew_xy(xa=30,ya=45) multmatrix([[1,0,tan(30),0],[0,1,tan(45),0],[0,0,1,0],[0,0,0,1]])
BOSL2/shapes.scad Examples Raw OpenSCAD Equivalent
cube([10,20,30], anchor=BOTTOM); translate([0,0,15]) cube([10,20,30], center=true);
cuboid([20,20,30], fillet=5); minkowski() {cube([10,10,20], center=true); sphere(r=5, $fn=32);}
prismoid([30,40],[20,30],h=10); hull() {translate([0,0,0.005]) cube([30,40,0.01], center=true); translate([0,0,9.995]) cube([20,30,0.01],center=true);}
xcyl(l=20,d=4); rotate([0,90,0]) cylinder(h=20, d=4, center=true);
cyl(l=100, d=40, fillet=5); translate([0,0,50]) minkowski() {cylinder(h=90, d=30, center=true); sphere(r=5);}

Documentation

The full library docs can be found at https://github.com/revarbat/BOSL2/wiki

Description
The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA
Readme BSD-2-Clause 62 MiB
Languages
OpenSCAD 99.5%
Python 0.3%
Shell 0.1%