I'm not sure if I've seen one without the template etched on to the metal.
There's not much to sell that way. The etched ones are good looking, the benefit from bare steel is that the seller has no idea you own Bitcoin.Quote
one dot in a box for words 1-12, two dots for words 13-24, or three dots if the letters overlap.
I like it 
If it's not too close together: 3 dots in one square and 2 dots in the next square can get confusing.