Dell_T340_Heatsink_Shroud__mod_doublesided_holes.scad

/**
 * Second fan holder for Dell T340 heatshink shroud 
 * from https://www.pickysysadmin.ca/2021/01/25/silencing-my-dell-t340-part-3/
 *
 * split-option for support-less print
 * any cyanacrylat-superglue should work with PLA or PETG
 *
 * My settings:
 * PrusaSlicer, generic PETG 0.30mm layer height
 * + adaptive layer height around the holes
 *   so that they are cleaner
**/

addHoles = true;
split = true;
holeSteps = 8;

module base() {
  translate([-8.175,-9.5,0])
  import("Dell_T340_Heatsink_Shroud_v1.6.stl");
}

module cyl() {
  translate([0,0,50])
  rotate([0, 90, 0])  
  cylinder(120, 42, 42, center=true, $fn=holeSteps);
}

module box() {
  translate([0,-60,-10])
  cube([120, 120, 120]);
}

difference() {
  union() {
    base();
    rotate([0, 0, 180]) {
      base();
    }
  }
  
  if (addHoles) {       
    cyl();
  }
  
  if (split) {
    box();
  }
}