You can DRAW them, but don’t try selling text books full of them in some states. Though at least for now, you can publish them, for instance, here and … so far … the states cannot forbid viewing them online.
September 20, 2017
You can DRAW them, but don’t try selling text books full of them in some states. Though at least for now, you can publish them, for instance, here and … so far … the states cannot forbid viewing them online.