patterns = files(
'amethyst.pat',
'brick.pat',
'cracked.pat',
'Craters.pat',
'granite1.pat',
'ground1.pat',
'marble1.pat',
'marble2.pat',
'marble3.pat',
'Moonfoot.pat',
'pink_marble.pat',
'rock.pat',
'slate.pat',
'stone33.pat',
'terra.pat',
)