$fn=64;

// --- Parameters ---
length = 50;           // Overall length of the slot piece
width = 12;            // Width of the base
height = 15;           // Total height above the baseplate
slot_width = 3.2;      // Width of the slot (3.2mm fits standard 3mm acrylic)
slot_depth = 10;       // How deep the acrylic sits in the base
peg_diameter = 4.8;    // Slightly undersized for standard 5mm grid holes
peg_length = 5;        // Length of mounting pegs
peg_spacing = 25;      // Distance between mounting pegs

module acrylic_panel_slot() {
    union() {
        // Main slotted body
        difference() {
            // Base block
            translate([-length/2, -width/2, 0])
                cube([length, width, height]);
            
            // Acrylic insertion slot
            translate([-(length + 2)/2, -slot_width/2, height - slot_depth])
                cube([length + 2, slot_width, slot_depth + 1]);
                
            // Chamfered inner edges for easier panel insertion
            translate([-(length + 2)/2, -slot_width/2, height])
                rotate([45, 0, 0])
                cube([length + 2, slot_width, slot_width]);
            translate([-(length + 2)/2, slot_width/2, height])
                rotate([45, 0, 0])
                cube([length + 2, slot_width, slot_width]);
        }
        
        // Mounting pegs (bottom)
        for (x = [-peg_spacing/2, peg_spacing/2]) {
            translate([x, 0, -peg_length])
                cylinder(d=peg_diameter, h=peg_length + 0.1);
        }
    }
}

// Render the object
acrylic_panel_slot();