infty = 300;
eps = 0.01;

wall = 1.2;

squares_x = 6;
squares_y = 5;

bottom_l = 8;
top_l = 3;
top_h = 5;
string_h = 1.5;
stem_l = 14;

module stem() {
	hull() {
		cylinder(r = wall/2, h = string_h, $fn = 16);
		translate([stem_l, 0, 0])
		cylinder(r = wall/2, h = string_h, $fn = 16);
	}
	// tip
	hull() {
			cylinder(r = wall/2, h = top_h, $fn = 16);
		translate([top_l, 0, 0])
			cylinder(r = wall/2, h = top_h, $fn = 16);
		translate([bottom_l, 0, 0])
			cylinder(r = wall/2, h = string_h, $fn = 16);
	}
}

module hexagon() {
	for (angle = [0:120:360]) rotate([0, 0, angle])
	translate([-stem_l/2, -stem_l*cos(30), 0]) {
		stem();
		translate([stem_l*(1+sin(30)), stem_l*cos(30), 0])
			rotate([0, 0, 240])
			stem();
	}
}


for (y = [0:squares_y])
for (x = [0:squares_x]) {
	if (x % 2 == 0) {
	translate([x/2*stem_l*(2+2*sin(30)), (y+0.5)*stem_l*(2*cos(30)), 0])
		hexagon();
	} else {
	translate([(x/2)*stem_l*(2+2*sin(30)), y*stem_l*(2*cos(30)), 0])
		hexagon();
	}
}