After reading up about Drain Fafnir's development I noticed that one of the concept art pieces had the template TT (presumably) uses in their development of new beys. So I mocked it up so any one can use it.

Right spin: http://imgur.com/48ok229
Left Spin: http://imgur.com/GMEZM0R

Nice find now I have a template for when I (eventually attempt to) draw two beyblades I thought up

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Highly Observant Hasbro Blader.

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Thank you thoriumRing.