I'm in, germinating will begin under the aquarium light sometime today. Is any shot glass shape acceptable or does it have to be the standard "V" shaped glass?

I'm gonna use some bagseed that I am just finishing up my first test grow of, 3 of the 4 plants I have are lookin' happy and dense, with one plant with these strange airy buds, but whatever...

I'm thinking about using a tall skinny shot glass to give the taproot more room to grow vertically. It's still 1.5 oz but it looks bigger (I've done the taste test).