Straighten the rolled arch. How?
When I want to do a lot of watercolor trial and error, search and not give up, then the Arches roll comes to my aid.
Rolled paper turns out to be a little cheaper (especially if you watch for a promotion) + you can cut it into various convenient A3 formats, for example. But after cutting standard sheets, pieces of “neither this nor that” often remain. If you draw a lot, then there will be a whole roll of these “neither this nor that.” Tightly twisted
