Here's another alternative that'd work for the Algal Bloom and some AB-Synth builds: a 3.62" x 3.62" footprint, but 1.5" tall instead of the usual 1.18".
Here's the proportional comparison:
While we're talking space-saving, there's also the taller XS enclosure (like I used on Jrmy's custom AB-Synth below) to accommodate top-mounted jacks, which would work for a lot of builds:

Puttin it out there for you guys trying to shoehorn pedals onto your board.
