//////////////////////////////////////////////////////////////
// Liquid Metal Raspberry Pi 5 Case
// 150 x 150 x 35 mm
// Liquid shell + raised crest + ripple vents + ports + standoffs
//////////////////////////////////////////////////////////////

$fn = 120;

// =========================
// PARAMETERS
// =========================
case_w = 150;
case_d = 150;
case_h = 35;

wall = 3;
standoff_h = 8;
standoff_r = 3;

// Pi 5 mounting hole coordinates (relative)
pi_offset_x = 40;
pi_offset_y = 40;
pi_holes = [
    [10, 10],
    [10, 49],
    [49, 10],
    [49, 49]
];

// =========================
// LIQUID-METAL SHELL SHAPE
// =========================
module liquid_layer(z) {
    scale_factor = 1 + (sin(z*3.1415) * 0.06