simple gridfinity hex bit holder

Don't find the size you need?

Grab the openscad code and make any size with just one click in the openscad customizer.

//(c) yahbluez@gmail.com
include <BOSL2/std.scad> 
// squared
squared = 0;
// one row
one_row = 0;
// x * y
rc = [0, 0];
xy = squared > 0 ? [squared, squared]
: one_row > 0 ? [one_row, 1]
: [rc.y > 0 ? rc.y : 1, rc.x > 0 ? rc.x : 1];
module hex_bits(v=[2,2]){
xy = [floor(v.x), floor(v.y)];
difference(){
union(){
up(3.75)
cuboid([42 * xy.x, 42 * xy.y, 6.75], anchor=BOT, rounding=1.8, except=[TOP], $fn=60);
        grid_copies(spacing &#61; [42,42], n &#61; xy, stagger &#61; false)
        path_sweep2d([[-21,0],[-2.85,0],[-2.15,0.7],[-2.15,2.5],[-0.5,4.25],[-21,4.25]],
            rect(size&#61;[42,42], rounding&#61;4, anchor&#61;CENTER, $fn&#61;60), closed&#61;true, $fn&#61;60);
    }
    grid_copies(spacing &#61; [42,42], n &#61; xy, stagger &#61; false)
    grid_copies(spacing &#61; 10, n&#61;[4,4]){
        up(2)cyl(h&#61;9, d&#61;7.914, $fn&#61;6, anchor&#61;BOT, chamfer1&#61;2);
    }    
}

}hex_bits(xy);