// -*- C -*-

psz = [
       120,
       56 + 5,
       15 + 3,
       ];

thick = [
	 2,
	 3,
	 2.5,
	 ];

btn_x = 58;
btn_dia = 14;
btn_yprop = 0.23;

rail_ysz = 2.5;
rail_zsz = 2.5;

// calculated

ym = psz[1]/2;

module Case(){
  difference(){
    mirror([1,0,0])
      translate(-thick)
      cube(psz + 2*thick - [1,0,0] * (thick[0]));

    for (yp= [ btn_yprop, 1-btn_yprop ])
      translate([ -btn_x,
		  yp * psz[1],
		  0.5 * psz[2] ])
	cylinder(r= btn_dia/2, h=20);

    mirror([1,0,0])
      difference(){
	cube(psz + [1,0,0]);

	for (m=[0,1]) {
	  translate([0,ym,0]) mirror([0,m,0]) translate([0,-ym,0])
	    translate([-1,-1, psz[2]-rail_zsz])
	    cube([psz[0]+1, rail_ysz+1, rail_zsz+1]);
	}
      }
  }
}

Case();