use <BOSL/shapes.scad>
include <BOSL/constants.scad>

module cubi(s, fillet=0, edges=EDGES_ALL) {
    if ($preview) {
        cube(s, center=true);
    } else {
        cuboid(s, fillet=fillet, edges=edges);
    }
}

function vec_sum(v, w) = [v.x + w.x, v.y + w.y, v.z + w.z];