You know, the cool aluminum small-block Chevy ones you’ve had on the shelf since the `90s. When Steven Brown needed a gas tank for his custom, ahh, something or other, in Doncaster, UK, hew knew just what to do with them.
Et voila! Instant gas tank. There’s plenty more where this came from on the Facebook group Pics of Interesting Motorcycles. It’s not always pretty, but it usually is interesting.