Honda Insight Fuel Filler Cap Hanger

I've been driving this car for a few months now, and I've had to fill it up enough times to be annoyed with the way that the fuel filler door was clearly designed with a way to attach the cap in mind, but the cap itself was not. So I fixed it!

After printing this I decided to look up how resistant ABS is to gasoline, and... it isn't really? I don't think it should be exposed to enough gasoline vapor to melt it as long as the cap seals properly but I guess we'll see