The smallest you can cut are 3 led pieces (about 1 1/2" in length). The ones I bought are not waterproof so they don't have that plastic coating over them like some you can buy. I really don't know how those would be wired up through the plastic.
Hatch Nation #13 : Rally Revolution #13 : ROTM Jan '13
It's Bryan, not Brian
RSVT-170 Build in Progress
Derusting Rusty Build in Progress