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Adrian Mariano
2025-06-21 10:59:08 -04:00
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@@ -15,7 +15,7 @@ Requires OpenSCAD 2021.01 or later.
The BOSL2 library is an enormous library that provides many different kinds of capabilities to simplify the development of models in OpenSCAD, and to make things possible that are difficult in native OpenSCAD. Some of the things BOSL2 provides are:
* **Attachments.** Unless you make models containing just one object, the attachments features can revolutionize your modeling. They let you position components of a model relative to other components so you don't have to keep track of the positions and orientations of parts of the model. You can instead place something on the TOP of something else, perhaps aligned to the RIGHT. For a full introduction to attachments, consult the [Attachments Tutorial.](https://github.com/BelfrySCAD/BOSL2/wiki/Tutorial-Attachments)
* **Attachments.** Unless you make models containing just one object, the attachments features can revolutionize your modeling. They let you position components of a model relative to other components so you don't have to keep track of the positions and orientations of parts of the model. You can instead place something on the TOP of something else, perhaps aligned to the RIGHT. For a full introduction to attachments, consult the [Attachments Tutorial.](https://github.com/BelfrySCAD/BOSL2/wiki/Tutorial-Attachment-Overview)
* **Rounding and filleting.** Rounding and filleting is hard in OpenSCAD. The library provides modules like [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) to make a cube with any of the edges rounded, [offset_sweep()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-offset_sweep) to round the ends of a linear extrusion, and [prism_connector()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#module-prism_connector) which works with the attachments feature to create filleted prisms between a variety of objects, or holes through a single object with rounded edges at the ends. You can also use [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) to apply a variety of different mask profiles to chosen edges of a cubic shape, or you can directly subtract 3d mask shapes from an edge of objects that are not cubes.
* **Shorthands.** The shorthands make your code a little shorter, and more importantly, they can make it significantly easier to read. Compare `up(z)` to `translate([0,0,z])`. The shorthands include operations for creating [copies of objects](https://github.com/BelfrySCAD/BOSL2/wiki/distributors.scad) and for applying [transformations](https://github.com/BelfrySCAD/BOSL2/wiki/transforms.scad) to objects, including [rot()](https://github.com/BelfrySCAD/BOSL2/wiki/transforms.scad#functionmodule-rot) which extends `rotate()` in some useful ways that are not easy to do directly.
* **Complex object support.** The [path_sweep()](https://github.com/BelfrySCAD/BOSL2/wiki/skin.scad#functionmodule-path_sweep) function/module takes a 2d polygon moves it through space along a path and sweeps out a 3d shape as it moves. You can link together a series of arbitrary polygons with [skin()](https://github.com/BelfrySCAD/BOSL2/wiki/skin.scad#functionmodule-skin) or [vnf_vertex_array().](https://github.com/BelfrySCAD/BOSL2/wiki/vnf.scad#functionmodule-vnf_vertex_array) Support for [beziers](https://github.com/BelfrySCAD/BOSL2/wiki/beziers.scad) and [NURBS](https://github.com/BelfrySCAD/BOSL2/wiki/nurbs.scad) can help you construct the building blocks you need. [Metaballs](https://github.com/BelfrySCAD/BOSL2/wiki/isosurface.scad#functionmodule-metaballs) can create organic surfaces that blend shapes together.