module cube_sd(){
	cube([33,25,5]);
}

module cube_usd(){
	cube([16,12.5,5]);
}

difference(){
	import("expressCardHolder.stl");
	translate([8,0.75,1]){cube_sd();}
	translate([8,27,1]){cube_sd();}
	translate([48,21,2]){#cube_usd();}
	translate([48,39.5,2]){#cube_usd();}

}