$fn = 64;

// --- Parameters ---
num_bins = 5;               // Number of storage sections
bin_width = 30;             // Internal width of each bin (mm)
bin_depth = 40;             // Internal depth of each bin (mm)
bin_height = 20;            // Internal height of each bin (mm)
wall = 2;                   // Wall thickness (mm)

// Label settings
labels = ["10Ω", "100Ω", "1kΩ", "10kΩ", "100kΩ"];
text_size = 6;
text_depth = 0.6;           // Engraving depth for labels

// --- Calculated Dimensions ---
total_width = num_bins * bin_width + (num_bins + 1) * wall;
total_depth = bin_depth + 2 * wall;
total_height = bin_height + wall;

// --- Modules ---
// Creates the hollow shape for a single bin with a slanted front scoop
module bin_hollow() {
    ramp_w = 12; // Depth of the bottom scoop slope
    ramp_h = 12; // Height of the bottom scoop slope
    
    hull() {
        // Back bottom portion
        translate([0, ramp_w, 0]) 
            cube([bin_width, bin_depth - ramp_w, bin_height + 1]);
        // Top full-width portion
        translate([0, 0, ramp_h]) 
            cube([bin_width, bin_depth, bin_height - ramp_h + 1]);
    }
}

// --- Main Geometry ---
difference() {
    // Main solid body
    cube([total_width, total_depth, total_height]);
    
    // Subtract bin hollows
    for (i = [0 : num_bins - 1]) {
        x_pos = wall + i * (bin_width + wall);
        translate([x_pos, wall, wall])
            bin_hollow();
    }
    
    // Subtract engraved labels on the front face
    for (i = [0 : num_bins - 1]) {
        x_pos = wall + i * (bin_width + wall) + (bin_width / 2);
        // Fallback to section number if label array is too short
        lbl = i < len(labels) ? labels[i] : str(i + 1);
        
        translate([x_pos, text_depth, total_height / 2])
            rotate([90, 0, 0])
            linear_extrude(text_depth + 0.1)
            text(lbl, size=text_size, halign="center", valign="center");
    }
}