toothbrush-holder-9x3.scad

   1 epsilon=0.01;
   2 infty=400;
   3
   4 module cut_ellipse(height, dist, x) {
   5         difference() {
   6                 translate([0, dist, height/2-x])
   7                         rotate([90, 0, 0])
   8                         scale([0.6, 1, 1])
   9                         cylinder(r=height/2, h=2);
  10                 translate([0, 0, -infty/2])
  11                         cube(infty, center=true);
  12         };
  13 };
  14
  15 module stem() {
  16         hull() {
  17                 cut_ellipse(25, 31, 4);
  18                 cut_ellipse(10, 24, 6);
  19         };
  20         difference() {
  21         union() {
  22         translate([3.75, 31-epsilon, 0])
  23                 rotate([0, 15, 0]) {
  24                         cube([1.5, 8, 8]);
  25                         difference() {
  26                                 translate([1, 8, 0])
  27                                         cylinder(r=2, h=8);
  28                                 translate([infty/2+1.5-epsilon, 0, 0])
  29                                         cube(infty, center=true);
  30                         };
  31                 };
  32         translate([-3.75, 31-epsilon, 0])
  33                 rotate([0, -15, 0]) {
  34                         translate([-1.5, 0, 0])
  35                         cube([1.5, 8, 8]);
  36                         difference() {
  37                                 translate([-1, 8, 0])
  38                                         cylinder(r=2, h=8);
  39                                 translate([-infty/2-1.5+epsilon, 0, 0])
  40                                         cube(infty, center=true);
  41                         };
  42                 };
  43         };
  44         translate([0, 0, -infty/2])
  45                 cube(infty, center=true);
  46         };
  47
  48 /*
  49         hull() {
  50                 cut_ellipse(12, 40, 0.5);
  51                 cut_ellipse( 8, 35, 2);
  52         };
  53         hull() {
  54                 cut_ellipse(12, 35, 2);
  55                 cut_ellipse(10, 25, 5);
  56         };
  57         hull() {
  58                 cut_ellipse(10, 25, 5);
  59                 cut_ellipse(12, 10, 4);
  60         };
  61 */
  62         for (dist=[0:9.5:19])
  63                 translate([0, dist, 0])
  64                         interdental_cylinder();
  65 };
  66
  67 module stem_minus() {
  68         for (dist=[0:9.5:19])
  69                 translate([0, dist, 0])
  70                         interdental_hole();
  71 }
  72
  73 module body() {
  74         difference() { union() {
  75         for (angle=[-24:6:24]) {
  76                 translate([0, -112, 0])
  77                 rotate([0, 0, angle])
  78                 translate([0, 130, 0])
  79                 difference() {
  80                         stem();
  81                         stem_minus();
  82                 }
  83         };
  84
  85         translate([0, -112, 0]) difference() {
  86                 union() {
  87                         cylinder(r=126, h=11);
  88                         translate([0, 0, 11-epsilon])
  89                         scale([1, 1, 0.07])
  90                         sphere(r=126);
  91                         difference() {
  92                                 union() {
  93                                         difference() {
  94                                         cylinder(r=159, h=11);
  95                                         translate([0,0,-infty/2])
  96                                                 cylinder(r=158, h=infty);
  97                                         };
  98                                 };
  99
 100                 rotate([0, 0, -24])
 101                         translate([infty/2, 0, 0])
 102                                 cube(infty, center=true);
 103                 rotate([0, 0, 24])
 104                         translate([-infty/2, 0, 0])
 105                                 cube(infty, center=true);
 106                         };
 107                 };
 108                 translate([0, 112-infty/2-epsilon, 0])
 109                         cube(infty, center=true);
 110 /*
 111                 translate([0, 0, -infty/2-epsilon])
 112                         cube(infty, center=true);
 113                 rotate([0, 0, -28])
 114                         translate([infty/2, 0, 0])
 115                                 cube(infty, center=true);
 116                 rotate([0, 0, 28])
 117                         translate([-infty/2, 0, 0])
 118                                 cube(infty, center=true);
 119 */
 120         };
 121         translate([-50, 1, 6])
 122         rotate([0, 90, 0])
 123                 cylinder(r=2.5, h=100, $fn=4);
 124         };
 125         rotate([-90, 0, 0])
 126                 translate([0,-6,3])
 127                 cylinder(r=3.5, h=55);
 128         rotate([-90, 0, 0])
 129                 translate([0,-6,-infty/2])
 130                 cylinder(r=1.75, h=infty, $fn=6);
 131         };
 132 };
 133
 134 module interdental_hole() {
 135         translate([0, 0, -infty/2])
 136                 cylinder(r=4, h=infty);
 137 }
 138
 139 module interdental_cylinder() {
 140         // translate([-5.5, -5.5, 0]) cube([11, 11, 8]);
 141         difference() {
 142                 cylinder(r=5.5, h=11);
 143                 translate([-infty/2, 0, 19])
 144                         rotate([0, 90, 0])
 145                                 cylinder(r=9, h=infty);
 146         }
 147 /*
 148         difference() {
 149                 translate([0, -5.50, 3])
 150                 rotate([-90, 0, 0])
 151                         cylinder(r=5, h=11);
 152                 translate([0, 0, -infty/2-epsilon])
 153                         cube(infty, center=true);
 154         };
 155 */
 156 };
 157
 158
 159 /*
 160 for (angle=[-45:18:45]) {
 161         rotate([0, 0, angle])
 162                 for (dist=[30:10:60])
 163                         translate([dist, 0, 0])
 164                                 difference() {
 165                                         interdental_cylinder();
 166                                         interdental_hole();
 167                                 }
 168 };
 169
 170
 171 difference() {
 172         body();
 173
 174         rotate([-90, 0, 0])
 175                 translate([0,-4,3])
 176                 cylinder(r=3, h=infty);
 177         rotate([-90, 0, 0])
 178                 translate([0,-4,-epsilon])
 179                 cylinder(r=1.5, h=infty);
 180 };
 181 */
 182
 183 body($fn=128);
 184 /*
 185 difference() {
 186         stem();
 187         stem_minus();
 188 };
 189 */