$fn = 64;

// --- Parameters ---
num_slots = 6;
slot_spacing = 32;       // Distance between the center of each slot
tilt_angle = 15;         // Tilt angle of the screwdrivers in degrees
shaft_diameter = 9;      // Diameter of the lower hole for the screwdriver shaft
handle_diameter = 20;    // Diameter of the upper hole for the handle recess
recess_depth = 12;       // Depth of the handle counterbore
block_depth = 45;        // Depth of the main holder block
block_height = 35;       // Height of the main holder block

// Calculated width to evenly space the slots with margins
block_width = (num_slots * slot_spacing) + 16;

// --- Geometry ---
difference() {
    // Main body block
    translate([0, 0, block_height / 2])
        cube([block_width, block_depth, block_height], center = true);
    
    // Angled screwdriver cutouts
    for (i = [0 : num_slots - 1]) {
        // Center the slots along the X axis
        x_pos = (i - (num_slots - 1) / 2) * slot_spacing;
        
        // Position slightly above the block to ensure clean manifold cuts
        translate([x_pos, 0, block_height + 5])
            rotate([tilt_angle, 0, 0])
            union() {
                // Shaft hole (extended to cut all the way through the bottom)
                translate([0, 0, -block_height * 2])
                    cylinder(h = block_height * 3, d = shaft_diameter);
                
                // Handle recess (counterbore)
                translate([0, 0, -recess_depth - 5])
                    cylinder(h = recess_depth + 10, d = handle_diameter);
            }
    }
}