openscad/testdata/scad/misc/normal-nan.scad

17 lines
359 B
OpenSCAD

/*
When exporting this to STL, null polygons appear, causing
problems normalizing normal vectors (nan output in STL files)
*/
$fs=0.2;
difference() {
cube(8);
translate([0,20,4]) rotate([90,0,0]) union() {
translate([0,-3,14.5]) cube([5.4,6,2.4],center=true);
translate([0,0,13.3]) rotate([0,0,30]) cylinder(r=3.115,h=2.4,$fn=6);
}
}