thehans

fan=120;
ductl=110;
ductw=40;
h=150;
wallTh = 2;

module transition(h,l1,w1,l2,w2,eps=0.01) {
  hull() {
    cube([l1,w1,eps], center=true);
    translate([0,0,h-eps]) cube([w2,l2,eps], center=true);

thehans

$fn = 100;

module rounded_cube(size,r,center=false)
{
  s = is_list(size) ? size : [size,size,size];
  translate(center ? -s/2 : [0,0,0])
    hull() {
      translate([    r,    r,    r]) sphere(r=r);
      translate([    r,    r,s.z-r]) sphere(r=r);
      translate([    r,s.y-r,    r]) sphere(r=r);

thehans

// older versions of OpenSCAD do not support "angle" parameter for rotate_extrude
// this module provides that capability even when using older versions (such as thingiverse customizer)
module rotate_extrude2(angle = 360, convexity = 2, size = 1000) {
	module angle_cut(angle = 90, size = 1000) {
		x = size*cos((angle / 2));
		y = size*sin((angle / 2));
		translate([0, 0, -size]) linear_extrude((2 * size)) polygon([[0, 0], [x, y], [x, size], [-size, size], [-size, -size], [x, -size], [x, -y]]);
	}
  // support for angle parameter in rotate_extrude was added after release 2015.03
  // Thingiverse customizer is still on 2015.03

thehans

/// @file     segmented_bit_sieve.cpp
/// @author   Kim Walisch, <[email protected]>
/// @brief    This is an implementation of the segmented sieve of
///           Eratosthenes which uses a bit array with 16 numbers per
///           byte. It generates the primes below 10^10 in 7.25 seconds
///           on an Intel Core i7-6700 3.4 GHz CPU.
/// @license  Public domain.

#include <iostream>
#include <algorithm>

thehans

#include <gmp.h>
#include <stdio.h>
#include <stdlib.h>
#include "../gmp-6.1.2/gmp-impl.h"
#include "../gmp-6.1.2/longlong.h"

static inline mp_limb_t
getbits (const mp_ptr p, mp_bitcnt_t bi, int nbits)
{
  int nbits_in_r;

thehans

BezierExample();

//BezierCircleApprox(10);

// cubic bezier circle approximation example
module BezierCircleApprox(r) {
  $fn=1000;
  c = 0.551915024494;
  points = BezierPath([

thehans

#surface.dat
10 9 8 7 6 5 5 5 5 5 
9 8 7 6 6 4 3 2 1 0 
8 7 6 6 4 3 2 1 0 0
7 6 6 4 3 2 1 0 0 0
6 6 4 3 2 1 1 0 0 0
6 6 3 2 1 1 1 0 0 0
6 6 2 1 1 1 1 0 0 0
6 6 1 0 0 0 0 0 0 0
3 1 0 0 0 0 0 0 0 0

thehans

class A {  private:   friend int &operator<<(int &i, const A &value) {  return i;  }  };
#pragma GCC optimize ("-fno-ipa-cp-clone")
class B { };
int &operator<<(int &i, const B &ast);

thehans

root@f12677981478:/mxe# make update-package-eigen && \
> make JOBS=6 -j8 \
> MXE_PLUGIN_DIRS=plugins/gcc7 \
> MXE_TARGETS=x86_64-w64-mingw32.static.posix \
> eigen
NEW      eigen  3.2.5 --> 3.3.7
sed -i 's/^\([^ ]*_VERSION *:=\).*/\1 3.3.7/' '/mxe/src/eigen.mk'
make -f 'Makefile' 'update-checksum-eigen' || { sed -i 's/^\([^ ]*_VERSION *:=\).*/\1 3.2.5/' '/mxe/src/eigen.mk'; exit 1; }
make[1]: Entering directory '/mxe'
mkdir -p '/mxe/pkg' && ( (wget --user-agent='Wget/1.18' -T 30 -t 3 -O '/mxe/pkg/.tmp-eigen-3.3.7.tar.bz2' 'https://bitbucket.org/eigen/eigen/get/3.3.7.tar.bz2' && true)   ) && cat '/mxe/pkg/.tmp-eigen-3.3.7.tar.bz2'   > '/mxe/pkg/eigen-3.3.7.tar.bz2' &&  rm '/mxe/pkg/.tmp-eigen-3.3.7.tar.bz2' || ( echo; echo 'Download failed!'; echo; rm -f '/mxe/pkg/eigen-3.3.7.tar.bz2' '/mxe/pkg/.tmp-eigen-3.3.7.tar.bz2'; )  && sed -i 's/^\([^ ]*_CHECKSUM *:=\).*/\1 '"`openssl dgst -sha256 '/mxe/pkg/eigen-3.3.7.tar.bz2' 2>/dev/null | sed -n 's,^.*\([0-9a-f]\{64\}\)$,\1,p'`"'/' '/mxe/src/eigen.mk'

thehans

-c
CMakeFiles/OpenSCAD.dir/src/export_amf.cc.o
-DEIGEN_DONT_ALIGN
-DENABLE_CGAL
-DENABLE_EXPERIMENTAL
-DENABLE_LIB3MF
-DENABLE_LIBZIP
-DENABLE_OPENCSG
-D__GCC
-DNDEBUG