in reply to
As proof of concept this awful following script
which map a flower with transparency (if you wait a bit).
For sure if you only want no-rectangular corners, you just need
work out that.
As each pixel is hard coded, the script is very long.
Hope this help.
For Perlmonks HD space consideration I link this out:
Non-existent; I don't have TV
Non-existent; my TV doesn't have/need a remote
Under my control; I watch alone
Under the control of whoever shouts loudest
Under the control of whoever gets it first
One of many, and the TV has a mind of its own
Results (111 votes),