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OpenSCAD is a multiplatform , free and open source 3D modeler software that uses a scripting interface to create CAD designs. It is not interactive and instead it relies entirely on precise instructions given by a simple and readable set of functions. In view of this, its main application are not organic shapes but precision parts or objects. It is available for Windows, Mac OS X and several linux distributions and the installer is less than 25MB.
OpenSCAD in based on two modeling methods:
On top of these two methods, OpenSCAD also supports the use of mathematical expressions (a set of mathematical operator is already built-in), instruction loops, defining custom functions, creating modules for repetitive tasks, and defining variables to create parametric designs.
Thanks to the intrinsic precision of a written set of instructions, OpenSCAD is particularly suitable for precision designs like mechanical parts as well as adaptative and/or parametric designs that needs to be modified in complex ways during the modelling process. At Sculpteo SCAD files are not only supported but you can even edit OpenSCAD variables online, modifying your design on the fly.
Additionally all the primitive objects are well defined and 3D printable, hence OpenSCAD designs are almost always ready for 3D printing (regardless, in the rare case of any issues with your file, you can alway count on our online tools or resources site).
Once the design is finish, it can be easily exported as an STL file, although other formats like OFF, AMF, DXF, SVG, CSG are also supported. The native file format to save OpenSCAD files is SCAD, which includes solely the generation code and as such is generally way smaller than a regular 3D file as STL.
You can learn more about the full potential of this great tool in our quick introduction guide to OpenSCAD on our Blog .