I found some triangle graph paper on http://www.freeprintable.net
I drew the starting outline and then made some copies of it. Let’s see how many different designs I can come up with.
Here is the first.
This Bargello is done on graph paper from https://www.freeprintable.net/
It is 16 squares per inch. I think that’s my limit.
This Bargello drawing is on 12 square per inch graph paper from https://www.freeprintable.net.