esp12_carrier.scad

//
// GNU GPL v2
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// Adapts ESP12 module to 0.1" grid.
//
eps = 1/128;            // small fudge factor to stop CSG barfing on coincident faces.
layer_height = 0.25;    // slicer layer height
extrusion_width = 0.5;  // slicer extrusion width
nozzle = 0.45;          // extruder nozzle aperture
squeezed_wall = extrusion_width - layer_height / 2 + nozzle / 2 + extrusion_width / 2;

module ESP12F_carrier_stl() {
    pins = 8;
    pitch1 = 2;
    pitch2 = 2.54;
    hole = pitch1 - squeezed_wall;
    hole2 = pitch2 - 3 * extrusion_width;
    length1 = (pins - 1) * pitch1 + hole + squeezed_wall * 2;
    length2 = (pins - 1) * pitch2 + hole + squeezed_wall * 2;
    height = 3;

    wpitch1 = (pins - 1) * pitch1;
    wpitch2 = ceil(wpitch1 / 2.54) * 2.54;

    width1 = wpitch1 + hole + squeezed_wall * 2;
    width2 = wpitch2 + hole2 + squeezed_wall * 2;

    difference() {
        hull() {
            translate([0, 0, height - eps / 2])
                cube([width1, length1, eps], center = true);

            translate([0, 0, eps / 2])
                cube([width2, length2, eps], center = true);
        }

        for(side = [-1, 1])
            for(i = [0 : pins - 1])
                hull() {
                    translate([side * wpitch1 / 2, i * pitch1 - (pins - 1) * pitch1 / 2, height])
                        cube([hole, hole, eps], center = true);

                    translate([side * wpitch2 / 2, i * pitch2 - (pins - 1) * pitch2 / 2, 0])
                        cube([hole2, hole2, eps], center = true);
                }
    }
}

ESP12F_carrier_stl();