minetest.register_entity("my_mod:entity", {
	initial_properties = {
		visual = "sprite",
		textures = {"anchor.png"},
		physical = false,
		pointable = true,
		static_save = true
	}
})

minetest.register_on_generated(function(minp, maxp, seed)
	local spacing = 4
	
	for z=minp.z, maxp.z, spacing do
		for y=minp.y, maxp.y, spacing do
			for x=minp.x, maxp.x, spacing do
				local pos = vector.new(x, y, z)
				local obj = minetest.add_entity(pos, "my_mod:entity")
				if not obj then
					minetest.chat_send_all("FAIL: "..minetest.pos_to_string(obj))
				end
			end
		end
	end
end)