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54 lines
3.1 KiB
Markdown
54 lines
3.1 KiB
Markdown
# BOSL2
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**The Belfry OpenScad Library, v2**
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A library for OpenSCAD, filled with useful tools, shapes, masks, math and manipulators, designed to make OpenSCAD easier to use.
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Requires OpenSCAD 2021.01 or later.
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- **NOTE:** BOSL2 IS BETA CODE. THE CODE IS STILL BEING REORGANIZED.
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- **NOTE2:** CODE WRITTEN FOR BOSLv1 PROBABLY WON'T WORK WITH BOSL2!
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[](https://gitter.im/BelfrySCAD/BOSL2?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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## Documentation
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You can find the full BOSL2 library documentation at: https://github.com/BelfrySCAD/BOSL2/wiki
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## Installation
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1. Download the .zip or .tar.gz release file for this library. Currently you should be able to find this at https://github.com/BelfrySCAD/BOSL2/archive/refs/heads/master.zip
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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.
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3. Rename the unpacked main directory to `BOSL2`.
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4. Move the `BOSL2` directory into the apropriate OpenSCAD library directory for your platform:
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- Windows: `My Documents\OpenSCAD\libraries\`
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- Linux: `$HOME/.local/share/OpenSCAD/libraries/`
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- Mac OS X: `$HOME/Documents/OpenSCAD/libraries/`
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5. Restart OpenSCAD.
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## Examples
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A lot of the features of this library are to allow shorter, easier-to-read, intent-based coding. For example:
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[`BOSL2/transforms.scad`](https://github.com/BelfrySCAD/BOSL2/wiki/transforms.scad) Examples | Raw OpenSCAD Equivalent
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------------------------------- | -------------------------------
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`up(5)` | `translate([0,0,5])`
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`xrot(30,cp=[0,10,20])` | `translate([0,10,20]) rotate([30,0,0]) translate([0,-10,-20])`
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`xcopies(20,n=3)` | `for (dx=[-20,0,20]) translate([dx,0,0])`
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`zrot_copies(n=6,r=20)` | `for (zr=[0:5]) rotate([0,0,zr*60]) translate([20,0,0])`
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`skew(sxz=0.5,syz=0.333)` | `multmatrix([[1,0,0.5,0],[0,1,0.333,0],[0,0,1,0],[0,0,0,1]])`
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[`BOSL2/shapes.scad`](https://github.com/BelfrySCAD/BOSL2/wiki/shapes.scad) Examples | Raw OpenSCAD Equivalent
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---------------------------------- | -------------------------------
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`cube([10,20,30], anchor=BOTTOM);` | `translate([0,0,15]) cube([10,20,30], center=true);`
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`cuboid([20,20,30], rounding=5);` | `minkowski() {cube([10,10,20], center=true); sphere(r=5, $fn=32);}`
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`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);}`
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`xcyl(l=20,d=4);` | `rotate([0,90,0]) cylinder(h=20, d=4, center=true);`
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`cyl(l=100, d=40, rounding=5);` | `minkowski() {cylinder(h=90, d=30, center=true); sphere(r=5);}`
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`tube(od=40,wall=5,h=30);` | `difference() {cylinder(d=40,h=30,center=true); cylinder(d=30,h=31,center=true);}`
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`torus(d_maj=100, d_min=30);` | `rotate_extrude() translate([50,0,0]) circle(d=30);`
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