shelves.scad

board_thickness = 0.75;
box_width = 44;
box_depth = 5.5;

cab_depth = 11.25;
cab_height = 72.5;

cab_spacing = 1;
cab_indent = 2.0625;

module build_box(width, height, depth)
{
    board_width = height - 2 * board_thickness;
    back_length = width - 2 * board_thickness;
    top_offset = board_thickness + board_width;
    back_offset = depth - board_thickness;
    
    
    // bottom
    color( "green", 0.5 )
        cube([width, depth, board_thickness],false);
    // top
    color( "purple", 0.5 )
        translate([0, 0, top_offset])
            cube([width, depth, board_thickness],false);
        
    color( "yellow", 0.5 )
    {
        // left side
        translate([0, 0, board_thickness])
          cube([board_thickness, depth, board_width],false);
        
        // right side
        translate([width - board_thickness, 0, board_thickness])
            cube([board_thickness, depth, board_width],false);
    }
    
    // back
    color( "blue", 0.5 )
        translate([board_thickness, back_offset, board_thickness])      
          cube([back_length, board_thickness, board_width],false);   
}

translate([0, 0, cab_height])
{
    color( "red", 0.5 )
    {
        translate([0, 0, -cab_height])
            cube([board_thickness, cab_depth, cab_height],false);
        translate([box_width + board_thickness, 0, -cab_height])
            cube([board_thickness, cab_depth, cab_height],false);
    }

    echo ("offset: ", 0 - (10.75 + cab_spacing));
    translate([board_thickness, cab_indent, 0 - (10.75 + cab_spacing)])
    rotate([-10,0,0])
    build_box(box_width, 10.75, box_depth);

    echo ("offset: ", 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing));
    translate([board_thickness, cab_indent, 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing)])
    rotate([-10,0,0])
    build_box(box_width, 10.75, box_depth);

    echo ("offset: ", 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing));
    translate([board_thickness, cab_indent, 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing)])
    rotate([-10,0,0])
    build_box(box_width, 8.75, box_depth);

    echo ("offset: ", 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing) - (8.75 + cab_spacing));
    translate([board_thickness, cab_indent, 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing) - (8.75 + cab_spacing)])
    rotate([-10,0,0])
    build_box(box_width, 8.75, box_depth);

    echo ("offset: ", 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing) - (8.75 + cab_spacing) - (7 + cab_spacing));
    translate([board_thickness, cab_indent, 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing) - (8.75 + cab_spacing) - (7 + cab_spacing)])
    rotate([-10,0,0])
    build_box(box_width, 7, box_depth);

    echo ("offset: ", 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing) - (8.75 + cab_spacing) - (7 + cab_spacing) - (7 + cab_spacing));
    translate([board_thickness, cab_indent, 0 - (10.75 + cab_spacing) - (10.75 + cab_spacing) - (8.75 + cab_spacing) - (8.75 + cab_spacing) - (7 + cab_spacing) - (7 + cab_spacing)])
    rotate([-10,0,0])
    build_box(box_width, 7, box_depth);
}