Causality 4
A quite simple design for being a phaser, designed by Rick from Frequency Central.Links
Main thread: http://www.diystompboxes.com/smfforum/index.php?topic=80456.120PCB: http://www.diystompboxes.com/smfforum/index.php?topic=80456.msg736682#msg736682
There's also an unverified Causality 6 PCB: http://www.diystompboxes.com/smfforum/index.php?topic=80456.msg737547#msg737547