// Grandstream HT801 LED-blocking shroud
// Top + left + right, open back + bottom
// Designed as a slide-on sleeve from the front

//////////////////////
// Parameters
//////////////////////

ht_len      = 116;   // HT801 body length (front to back)
ht_wid      = 90;    // HT801 body width  (left to right)
ht_hei      = 26;    // HT801 body height (bottom to top)

clearance   = 1.5;   // extra space on each side
wall_th     = 2.4;   // wall thickness
front_lip_h = 7;     // how far the front lip hangs down
front_oh    = 4;     // top overhang past front face

// Ethernet port rough position on right side
eth_from_front = 20; // distance from front to start of port
eth_width      = 16; // port opening width
eth_height     = 14; // port opening height
eth_center_h   = ht_hei/2; // centered vertically

eth_lip_depth  = 3;  // inward blackout lip depth

//////////////////////
// Derived dims
//////////////////////

inner_len = ht_len + clearance*2;
inner_wid = ht_wid + clearance*2;
inner_hei = ht_hei + clearance;

outer_len = inner_len + wall_th*2;
outer_wid = inner_wid + wall_th*2;
outer_hei = inner_hei + wall_th;

//////////////////////
// Main
//////////////////////

difference() {
    // Outer shell: top + left + right + front lip
    union() {
        // Top slab
        translate([0, 0, 0])
            cube([outer_len, outer_wid, wall_th], center=false);

        // Left wall
        translate([0, 0, 0])
            cube([outer_len, wall_th, inner_hei + wall_th], center=false);

        // Right wall
        translate([0, outer_wid - wall_th, 0])
            cube([outer_len, wall_th, inner_hei + wall_th], center=false);

        // Front lip (downward)
        translate([-front_oh, 0, 0])
            cube([front_oh + wall_th, outer_wid, front_lip_h], center=false);
    }

    // Inner cavity (where the HT801 sits)
    translate([wall_th, wall_th, wall_th])
        cube([inner_len, inner_wid, inner_hei], center=false);

    // Open the back fully (just in case)
    translate([wall_th + ht_len/2, wall_th, wall_th])
        cube([ht_len + 20, inner_wid, inner_hei + 20], center=true);

    // Ethernet port opening + blackout lip on right wall
    // Cut the main opening
    translate([
        wall_th + clearance + eth_from_front,
        outer_wid - wall_th - 0.1, // right wall
        wall_th + (eth_center_h - eth_height/2)
    ])
        cube([eth_width, wall_th + 1, eth_height], center=false);

    // Carve out behind the port for the inward lip
    translate([
        wall_th + clearance + eth_from_front - eth_lip_depth,
        outer_wid - wall_th - 0.2,
        wall_th + (eth_center_h - eth_height/2) - 0.2
    ])
        cube([eth_width + eth_lip_depth + 0.4, wall_th + 2, eth_height + 0.4], center=false);
}