Anycubic Photon Mono X2 funnel

funnel.scad

// Anycubic Photon Mono X2 funnel
// build_x, build_y, build_z from manufacturer specs
build_x        = 122;      // mm, max X (left–right)
build_y        = 196;      // mm, max Y (front–back)
build_z        = 200;      // mm, max Z (vertical)
tolerance      = 2;        // Avoid the edges of the max build spec

// funnel parameters
wall_thickness = 3;        // mm, wall thickness
base_dia       = 25.4/2;     // mm, spout diameter ≈1 in


// A small number
delta = 0.002;

// make top diameter the smaller of build_x/build_y so it fits on the plate
top_dia = (build_x < build_y) ? build_x - tolerance : build_y - tolerance;
funnel_z = build_z/2-tolerance;

module funnel() {
    difference() {
        // outer cone from top_dia → base_dia over full height
        cylinder(h = funnel_z, 
                 r1 = top_dia/2, 
                 r2 = base_dia/2, 
                 $fn = 128);          // smooth circular profile

        // inner hollow inset by wall_thickness
        translate([0, 0, -delta])
            cylinder(h = funnel_z + 2*delta,
                     r1 = top_dia/2 - wall_thickness, 
                     r2 = base_dia/2 - wall_thickness, 
                     $fn = 128);
    }
}

// render it
rotate([180, 0, 0]) {
    funnel();
}

Used to put the resin back in the bottle.