Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
H
Nice variety of effects. The last one looks like a Van Gogh
G
You may have a look at Hole(s) on Solid there http://forums.sketchucation.com/viewtopic.php?t=41582#p368373 it could be useful in somme cases.