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i agree with PurplePeople if its an aluminum frame, keep a watch on the finish around the carved part for any cracks in the finish. if there is a crack in the finish chances are the aluminum is stress cracking. Especially around the 3 carved lines since you made it follow the radius of the tubes. Basically you could have given it a controlled fracture point. If your roads are rough, I would do a thorough inspection once a week. Especially if you ride a lot of cobble stones, that puts a lot of vibration stress on your frame tubes. It looks cool, but just want you to be safe.