Helpers from this forum usually ask users to provide a link to a fiddle or codepen that demonstrates the issue, which makes their helping the user easier.
It might be the large units and your textures that are creating dots.
Just for the sake of checking some other examples, maybe see the links in my post in this forum’s topic.
My post there includes a zip file, whose last version can actually be seen here, rather astronomically inaccurate but still looks good at least to me.