Where can I buy or how can I make a 6061T6 dome for my top-mounted fuel sender?

I want to create, or buy, a dome out of 6061 T6 that looks like the image.
I'd rather buy than make it because I have better things to do but can't find anyone who sells such a thing.
I don't own a hydraulic press or english wheel. I've scoured Google and can't find a single video showing how to do this without both hydraulic press and english wheel.
I want to use this as the cover for my top-mounted fuel sending unit in my 601 XLB. My wing is polished, so I want to be able to polish this to match.
I have seen the fiberglass ones produced by Kitplane Enthusiast, but those are made from plastic. I want the same thing but in 6061 T6.
Also, the metal needs to be smooth so I can't hammer one because I have no way to smooth it.
Ideally, I would buy one, but I can't find one anywhere on Google.
FYI - I have no idea how the guy made the one in the pic as he didn't explain it
 
TIA!

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Permalink Reply by John Austin 4 hours ago

Rainbow Aviation has a YouTube video on Low Cost Hydroforming .  Basically, you make a wooden form and use a hydraulic press to press the aluminum sheet down over the form with a thick rubber sheet between the press and the aluminum.  I know you said you don't have a press, but surely you could find someone with one that you could use apparently the pressing procedure is the easiest/quickest part of the whole process!  I bought a cheapo HF press years ago, and like many other tools, found numerous uses for it such as pressing bearings, breaking tires loose from rims on small wheels, pushing punches through rubber for clean-cut holes (works great for the cut-outs in the pads for Zenith landing gear!), etc.  I have zero experience with hydroforming - I suspect a dome is more difficult than bending a simple flange as in a rib? - and wonder if the 6061T6 would have to be annealed? - and would that affect the ability to polish it afterwards?  Hope someone can help you out who has been there/done that!  Interesting topic!  Sure would be nice if you buy one "off the shelf!"

John

N750A

Permalink Reply by Gary Welch 4 hours ago

If I had a hydraulic press I would try it but I don't. I'm also suffering from a severe case of "builder burnout". I "finished" my plane 8 years ago but it seems the maintenance and repairs never end.

I hated building the plane and I hate, even more, working on it.

I love to fly but I'd rather stick a fork in my eye than work on it..

I'm just looking for the simplist, shortest way to get where I need to be.

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