width=25.400; length=27; height=0.5; translate([-width/2, -length/2, 0]) difference() { //main cube translate([0, 0, 0]) cube([width,length,height]); //mounting holes translate([1.545, 12.2,0]) cylinder(100,1.25,1.25); translate([23.876, 12.2,0]) cylinder(100,1.25,1.25); //sensor lens translate([13.10, 22.5, 0]) cylinder(100,4.25,4.25); }