include <cable_passage_dimensions.scad>
$fn=50;

difference() {
  // Base cylinder
  difference() {
    $fn=300;
    cylinder(h=h, r=d/2, center=true);
    translate([0, 0, -t])
    cylinder(h=h, r=d/2-t, center=true);
  }
  // Bore holes for PG-9
  translate([0, 0, h/2])
  for (y=[-1:1:1])
  for (x=[-1:1:1])
  {
    if ( !((x == -1) && (y == 0)) && !((x == 1) && (y == 0)) )
    translate([x*d_pg9_spacing, y*d_pg9_spacing, 0])
    cylinder(h=h, r=d_pg9/2, center=true);
  }
}