THIS MODEL IS MEANT AS NEGATIVE VOLUME TO BE SUBSTITUDED FROM YOUR MODELS.

A fully customizable model inspired by 

It same sizes as the original, but can by fully customized within OpenSCAD

Made using online OpenSCAD version [https://openscad.cloud/openscad/](https://openscad.cloud/openscad/) since I had no access to my PC

//inspired by [https://www.youtube.com/watch?v=8WEqKYa6XRk](https://www.youtube.com/watch?v=8WEqKYa6XRk)
//originaly posted to [https://www.printables.com/model/559459](https://www.printables.com/model/559459)
sq_size=[2,20]; //singe hole size
gap=[5,5];      //gap
size=[220,220]; //full pattern size
h=10;           //pattern height
module sq() {
square(sq_size, center=false);
translate([sq_size.x+gap.x,.5*(sq_size.y+gap.y)]) square(sq_size, center=false);
}
linear_extrude(h) union() {
for(i = [0:2*(sq_size.x+gap.x):size.x])
for(j = [0:(sq_size.y+gap.y):size.y])
translate([i,j]) sq();
}