B-heptomino A somewhat vigorous, commonly seen bit of fluff, which lends to Life's growth tendencies. This piece is used in PUFTRAIN, RAKE, RAKE2, RAKE3, BHEPTPUF, GUN46, TRACK, GUNSTAR, GUNSTAR2, GUNSTAR3, BI-GUN, and the p46, p54, and p100 shuttles in OSCSPN2 and OSCSPN3, and in many other patterns.Xref: bheptpuf bi-gun gun46 gunstar gunstar2 gunstar3 oscspn2 oscspn3 puftrain rake rake2 rake3 track