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 clip() {
  16         translate([-1.5, 0, -1])
  17                 cube([1.5, 8, 9]);
  18         translate([0, 0, -1]) difference() {
  19                 cube([3, 3, 9]);
  20                 translate([3-epsilon, 3-epsilon, -epsilon])
  21                         cylinder(r=3, h=9+2*epsilon);
  22         };
  23         translate([0, 0, -1])
  24                 difference() {
  25                         translate([-1, 8, 0])
  26                                 cylinder(r=2, h=9);
  27                         translate([-infty/2-1.5+epsilon, 0, 0])
  28                                 cube(infty, center=true);
  29                 };
  30 };
  31
  32 module stem() {
  33         hull() {
  34                 cut_ellipse(25, 31, 4);
  35                 cut_ellipse(10, 24, 6);
  36         };
  37
  38         // left-side and right-side clip
  39         difference() {
  40                 union() {
  41                         translate([3.75, 31-epsilon, 0])
  42                                 rotate([0, 15, 0])
  43                                         scale([-1, 1, 1])
  44                                                 clip();
  45
  46                         translate([-3.75, 31-epsilon, 0])
  47                                 rotate([0, -15, 0])
  48                                         clip();
  49                 };
  50
  51                 translate([0, 0, -infty/2])
  52                         cube(infty, center=true);
  53         };
  54
  55         for (dist=[0:9.5:19])
  56                 translate([0, dist, 0])
  57                         interdental_cylinder();
  58 };
  59
  60 module stem_minus() {
  61         for (dist=[0:9.5:19])
  62                 translate([0, dist, 0])
  63                         interdental_hole();
  64 }
  65
  66 module body() {
  67         difference() { union() {
  68         for (angle=[-24:6:24]) {
  69                 translate([0, -112, 0])
  70                 rotate([0, 0, angle])
  71                 translate([0, 130, 0])
  72                 difference() {
  73                         stem();
  74                         stem_minus();
  75                 }
  76         };
  77
  78         translate([0, -112, 0]) difference() {
  79                 union() {
  80                         cylinder(r=126, h=11);
  81                         translate([0, 0, 11-epsilon])
  82                         scale([1, 1, 0.07])
  83                         sphere(r=126);
  84                         difference() {
  85                                 union() {
  86                                         difference() {
  87                                         cylinder(r=159, h=11);
  88                                         translate([0,0,-infty/2])
  89                                                 cylinder(r=158, h=infty);
  90                                         };
  91                                 };
  92
  93                 rotate([0, 0, -24])
  94                         translate([infty/2, 0, 0])
  95                                 cube(infty, center=true);
  96                 rotate([0, 0, 24])
  97                         translate([-infty/2, 0, 0])
  98                                 cube(infty, center=true);
  99                         };
 100                 };
 101                 translate([0, 112-infty/2-epsilon, 0])
 102                         cube(infty, center=true);
 103 /*
 104                 translate([0, 0, -infty/2-epsilon])
 105                         cube(infty, center=true);
 106                 rotate([0, 0, -28])
 107                         translate([infty/2, 0, 0])
 108                                 cube(infty, center=true);
 109                 rotate([0, 0, 28])
 110                         translate([-infty/2, 0, 0])
 111                                 cube(infty, center=true);
 112 */
 113         };
 114         // rear-side protrusion
 115         translate([-50, 1, 6])
 116                 rotate([0, 90, 0])
 117                         cylinder(r=3, h=40, $fn=4);
 118         // rear-side protrusion
 119         translate([10, 1, 6])
 120                 rotate([0, 90, 0])
 121                         cylinder(r=3, h=40, $fn=4);
 122         };
 123         // screw head hole
 124         rotate([-90, 0, 0])
 125                 translate([0,-6,3])
 126                 cylinder(r=3.5, h=55);
 127         // screw head
 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 */