/* Arbitrary Waveform Generator PCB size is 
104.25mm x 69.5mm
Arbitrary Waveform Generator hole spacing is
94.25mm x 59.5mm 

Wall thickness is rounded_corner / 2

Case dimension is 
y = 105mm + 10mm + 56mm + (2 x 0.5mm clearance around) = 172mm
Case Dimension x = 142.5 + (2 x 0.5mm clearance around) = 143.5mm
*/

// spacer
cube_x = 8;
cube_y = 8;
cube_z = 10.5;

hole_size_1 = 2.5;

// dimensions
rounded_corner      = 5;    // in mm

// dimensions of box
box_width           = 105.5;   // in mm (PCB x)
box_depth           = 71.5;  // in mm (PCB y)
box_height          = 8;   // in mm + bottom_thickness
bottom_thickness    = 3;  // in mm

// dimensions of cover
top_thickness       = 1;    // in mm (not used)
top_height          = 3;    // in mm (not used)

main_case();
// Arbitrary Waveform Generator
translate([4.25,1.5,3])
    cube_with_hole();

translate([98.25,2,3])
    cube_with_hole();
    
translate([98.25,62,3])
    cube_with_hole();

translate([4.25,62,3])
    cube_with_hole();

// USB Plug
difference() {
    color("red",1.0) {
        translate([-1.5,36,10])
        cube([5,13,5]);
    };
};




/*-------------------------------------------------------------------------------------------*/
/*
maincase
*/

module main_case() {
translate([5, 2.5, 0])
    difference() {
        
        // outer case
        minkowski(){
            cube([box_width-rounded_corner, box_depth-rounded_corner, box_height+bottom_thickness+top_height]);
            cylinder(r=rounded_corner,h=1);
        }
        // inner case
        translate([-rounded_corner/2, -rounded_corner/2, bottom_thickness])
          cube([box_width, box_depth, box_height+bottom_thickness+top_height]);
    };
};

/*
Spacer for PCB
*/

module cube_with_hole() {
    difference() {
        cube([cube_x,cube_y,cube_z]);
        translate([cube_x / 2, cube_y / 2, 10])
        cube([hole_size_1, hole_size_1, cube_z], center=true);        
    };
};