// -*- C -*-

include <utils.scad>

rod_dia = 8+2;
thick = 8;
screw_dia = 3.5 + 0.75;
screw_head_dia = 8.2 + 1.0;
rod_offset = 14 + 2;
mainheight = 25;
width = 40;
rearthick = 3;

// calculated

d = rod_dia/2 + thick/2;
yminc = -d;
ymin = yminc-thick/2;
ymaxc = mainheight;
ymax = mainheight+thick/2;

module C() {
  circle(r = thick/2, $fn=30);
}

module Profile() {
  e = rod_offset;
  hull(){
    translate([-d, 0]) C();
    translate([-d,-d]) C();
  }
  difference(){
    rectfromto([-d,ymin], [e,0]);
    circle(r= rod_dia/2, $fn=50);
  }
  hull(){
    for (y= [-d, +mainheight]) {
      translate([d, y]) C();
      rectfromto([d, y-thick/2], [e, y+thick/2]);
    }
  }
}

module CutProfile(){
//  rectfromto([
}

module Demo(){
  Profile();
}

Demo();