// Hex Cup — parametric hexagonal-grid vessel.

// All dimensions in mm.

cell      = 6;     // hex cell diameter

wall      = 1.2;   // wall thickness

height    = 90;    // total height

rim       = 2.4;   // top rim thickness

module hex(d) {

    circle(d = d, $fn = 6);

}

module shell() {

    difference() {

        linear_extrude(height) hex(60);

        translate([0,0,wall])

            linear_extrude(height - rim) hex(60 - wall * 2);

    }

}

shell();