$fn = 64;

/* Parametric Dimensions */
// Label Plate
plate_width = 45;       // Width of the front label plate
plate_height = 15;      // Height of the front label plate
plate_thickness = 2.5;  // Total thickness of the plate
border_width = 2;       // Width of the border around the label
recess_depth = 1;       // Depth of the recess for the sticker/paper

// Snap Fit Legs
leg_spacing = 20;       // Distance between the centers of the snap legs
leg_width = 8;          // Width of the legs (Y-axis)
leg_thickness = 1.8;    // Thickness of the legs (X-axis, flexing direction)
leg_length = 8;         // Length extending from the back of the plate
catch_size = 1.5;       // Protrusion distance of the snap catch

union() {
    // Base plate with recess for paper label
    // Designed to print face-down (recess prints as a simple bridge)
    difference() {
        // Main body
        translate([0, 0, plate_thickness/2])
            cube([plate_width, plate_height, plate_thickness], center=true);

        // Label recess 
        translate([0, 0, recess_depth/2 - 0.01])
            cube([plate_width - border_width*2, plate_height - border_width*2, recess_depth + 0.02], center=true);
    }

    // Snap-in flexible legs
    for (i = [-1, 1]) {
        // Overlap with base plate by 0.1mm to ensure manifold geometry
        translate([i * leg_spacing/2, 0, plate_thickness - 0.1]) {
            
            // Flexible leg shaft
            translate([0, 0, (leg_length + 0.1)/2])
                cube([leg_thickness, leg_width, leg_length + 0.1], center=true);

            // Snap catch (angled 60+ degrees for support-free 3D printing)
            translate([i * leg_thickness/2, 0, leg_length + 0.1 - catch_size]) {
                hull() {
                    // Base of the catch against the leg shaft
                    translate([0, 0, 0])
                        cube([0.01, leg_width, catch_size*2], center=true);
                    
                    // Point of the catch (creates a flat top, angled bottom)
                    translate([i * catch_size, 0, catch_size])
                        cube([0.01, leg_width, 0.01], center=true);
                }
            }
        }
    }
}