On Fri, 14 Sep 2007 20:27:14 -0700, Andre Jute
wrote:

In "The Piano Factory", a novel by Jonathan Davies, I came across
another derivation for a Bodger as someone who knocks things up in a
makeshift way. Bodger's according to Davies was a firm that made cheap
beech furniture.

Ring any bells?

Sure. That's the standard usage of "bodger" in the UK, at any rate.