It sounds to me like you're thinking of Hager cases.
Yes, could be. The Hager 1x2 (which Hager calls a "Single Cue Case") is triangular in cross-section. And the 2x4's are sort of a truncated triangle. DEACON has Hager cases available from time to time:
http://forums.azbilliards.com/showthread.php?t=158622
http://forums.azbilliards.com/showthread.php?t=162300
Yes, could be. The Hager 1x2 (which Hager calls a "Single Cue Case") is triangular in cross-section. And the 2x4's are sort of a truncated triangle. DEACON has Hager cases available from time to time:
http://forums.azbilliards.com/showthread.php?t=158622
http://forums.azbilliards.com/showthread.php?t=162300