i3-idler.scad

   1 module extruder_idler_base(){\r
   2  translate([1.25,0,0]) union() {\r
   3         cube([22,42+11,8+3]);\r
   4         translate([0, 42/2, 7])\r
   5                 scale([1, 3, 1])\r
   6                 rotate([0, 90, 0])\r
   7                 cylinder(h = 22,r = 5.5);\r
   8 }\r
   9         \r
  10 }\r
  11 \r
  12 module extruder_idler_holes(){\r
  13  translate([12,21,0]){\r
  14   // Main cutout\r
  15   cube([11,23,25], center=true);\r
  16   // Idler shaft\r
  17   translate([-12,0,4.1+2])rotate([0,90,0])cylinder(r=4.1, h=24);\r
  18   // Screw holes\r
  19   //translate([7,-16,-1]) cylinder(r=2.2, h=24);\r
  20   //translate([-7,-16,-1]) cylinder(r=2.2, h=24);\r
  21   hull() {\r
  22     translate([7,17,-1]) cylinder(r=2.2, h=24);\r
  23     translate([7,17,-1]) rotate([10,0,0]) cylinder(r=2.2, h=24);\r
  24   }\r
  25   hull() {\r
  26     translate([-7,17,-1]) cylinder(r=2.2, h=24);\r
  27     translate([-7,17,-1]) rotate([10,0,0]) cylinder(r=2.2, h=24);\r
  28   }\r
  29  }\r
  30 }\r
  31 \r
  32 \r
  33 // Idler final part\r
  34 module idler(){\r
  35  difference(){\r
  36   extruder_idler_base();\r
  37   extruder_idler_holes();\r
  38   translate([0,41,-1]) cube(size=[25,20,20]); // <<<\r
  39  }\r
  40 }\r
  41 \r
  42 idler();\r
  43 translate([0,-6,0]) screwholder();\r
  44 \r
  45 //module screwholder() {\r
  46         //difference() {\r
  47                 //hull() {\r
  48                 //      translate([4,0,0]) cylinder(r=4,h=5);\r
  49                 //      translate([20,0,0]) cylinder(r=4,h=5);\r
  50                 //}\r
  51                 //translate([5,0,-1])cylinder(r=2.2, h=24);\r
  52                 //translate([19,0,-1])cylinder(r=2.2, h=24);\r
  53                 //translate([5,0,2])cylinder(r=6/2, h=24);\r
  54                 //translate([19,0,2])cylinder(r=6/2, h=24);\r
  55 //}\r
  56 //}\r