kintel

// openscad file.scad -o out.png --enable=fast-csg --enable=fast-csg-remesh --enable=fast-csg-trust-corefinement --render
// This will _sometimes_ hang OpenSCAD and sometimes give the following error:
// 
// CGAL error: precondition violation!
// Expression : is_polygon_soup_a_polygon_mesh(polygons)
// File       : /Users/kintel/code/OpenSCAD/libraries/install/include/CGAL/Polygon_mesh_processing/polygon_soup_to_polygon_mesh.h
// Line       : 282
// Explanation: Input soup needs to define a valid polygon mesh! See is_polygon_soup_a_polygon_mesh() for further information.
// Refer to the bug-reporting instructions at https://www.cgal.org/bug_report.html
// WARNING: [fast-csg] Corefinement corefinement mesh union #2 failed with an error: CGAL ERROR: precondition violation!

kintel

# iree/tools/iree-tblgen-2.params
# clang @iree/tools/iree-tblgen-2.params
-Wl,-S
-fuse-ld=/usr/bin/ld.gold
-Wl,-no-as-needed
-Wl,-z,relro,-z,now
-B/usr/bin
-lstdc++
-lm
-Wl,--gc-sections

kintel

An execution plan has been generated and is shown below.
Resource actions are indicated with the following symbols:
-/+ destroy and then create replacement

Terraform will perform the following actions:

  # module.my_vm.google_compute_instance.dev_vm must be replaced
-/+ resource "google_compute_instance" "dev_vm" {
        allow_stopping_for_update = true
        can_ip_forward            = false

kintel

// Box should have 50 mm sides
// Holes should be 5 mm in diameter
// 
color("Blue") translate([0,0,12.5]) linear_extrude(height=5) import("box-w-holes-graffle.svg", center=true);

translate([15,15, 10]) cylinder(h=20, r=4.5, center=true, $fn=32);
translate([15,-15, 10]) cylinder(h=20, r=4.5, center=true, $fn=32);
translate([-15,15, 10]) cylinder(h=20, r=4.5, center=true, $fn=32);
translate([-15,-15, 10]) cylinder(h=20, r=4.5, center=true, $fn=32);
translate([0,0,2]) cube([50, 50, 20], center=true);

kintel

kintel

hull() {
    translate([0,0,10]) cylinder(h=2, r1=10, r2=8);
    cylinder(h=2, r1=8, r2=10);
}

translate([25,0,0]) minkowski() {
    cylinder(r=8, h=10);
    sphere(2);
}

kintel

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Preferences</class>
 <widget class="QMainWindow" name="Preferences">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>657</width>
    <height>695</height>

kintel

handle_length = 70;
Handle_Depth = 5;

union()
{
    difference()
    {
        union()
        {
            rotate_extrude(convexity = 10, $fn = 28)

kintel

difference() {
linear_extrude(10)
  hull()
    for (t=[[0,0], [60,0], [60,40], [0,40]])
      translate(t) circle(4);
  
translate([0,0,2]) linear_extrude(10)
  hull()
    for (t=[[5,5], [55,5], [55,35], [5,35]])
      translate(t) circle(4);

kintel

#ifdef ENABLE_CGAL

#include "cgalutils.h"
#include "polyset.h"
#include "cgal.h"

namespace CGALUtils {

/*
	Create a PolySet from a Nef Polyhedron 3. return false on success,