How big is the MegaSquirt case?

The MS1 and MS2 cases are is 6.2″ x 4″ x 1.75″ with mounting flanges on each end that are about .5″ long, so total length including flanges is about 7.2″.

The MS3 cases are a little taller, about 6.2″ x 4″ x 2.6″, again with mounting flanges on each end that are about .5″ long, so total length including flanges is about 7.2″.