Here is perhaps the more elegant solution you seek - retrofit Berthoud stays and hardware to the VO, assuming they're 700x40 or 700x50 size - about 50 bux - which is more than I paid for my entire VO Zeppelin fender set on sale. Or you can get the whole GB fender set for 73+SH.

Berthoud parts from Peter White Cycles

Peter White Cycles Fenders