openSCAD Primitives Library

thingiverse

Modules in this library are tools I've found invaluable and often impossible to find elsewhere, so they're packaged with a comment at the top and test calls at the bottom. Employ "use" instead of "include". Calls are flexible by design, with an easy call if you want default settings but options to configure behavior in detail. See comments in each file for usage instructions. Library contents include: fillet_cube: An operator that fillets one or more edges of a cube. Edges can be configured all at once, in groups (bottom edges, top edges, and vertical edges), or individually. Each edge can have a different fillet radius. There's no requirement that the first child in scope is actually a cube, so this module can be used to fillet edges on other shapes. support_box: Creates a set of plates to support an overhang. All plates go across the shorter dimension but, if the plates are high enough, cross plates are added to stiffen the structure. Plates are perforated at the top by default for easier removal. If the object to be supported does not have a flat bottom and perforations are desired, use the operator perf_support_surface in this file instead of support_box. hinge: Makes a hinge with a specified number of elements. Also includes a utility function to construct support plates if necessary. Default hinge values (5 outer radius, 2 inner radius) are suitable for a medium box and sturdy when printed in ABS with decent print quality. cylinder_wedge: An operator that trims a given object to a wedge. nut_holes: A set of sundry hexagons that can be used to punch out holes for various nut sizes. Currently only has M3, M4, and M5. polycube: Automates building polyhedron from vertices, assuming the solid is "cube-like": 6 faces, 8 vertices, each face has 4 vertices. Vertices are specified in a 2x2x2 array in a hopefully intuitive fashion. I maintain this code on GitHub at https://github.com/imageguy/openscad_primitives