Evening all, Time has come to sort out the old Trabant in earnest & there are a couple of holes in the engine bay that need sorting. One near the battery & one near to the left suspension. All on the front-left wheel-arch, basically. Small-ish but enough to warrant a decent patch. I've been learning to weld & doing OK with a MIG, according to my mate, but I'd like to ask those that do weld their Trabants, what thickness of sheet steel should I be buying in order to fabricate my own patches? The steel itself seems really thin, I mean less than 3mm, but I don't have a micrometer to be able to gauge the thickness accurately. Any advice would be appreciated.