That's exactly where mine are from, that and a very old article in Model Railway News.
My normal first call when needing drawings is to ask on the DEMU forum as they run a drawing exchange service.
Andi
I started this a couple of days before the lockdown started. Class 310 scratch built from plasticard.
Even the power bogie is hand built using gears from a surplus Vi-Trains 37 bogie.
310 alongside my 304 that is also under construction.
Andi
As per my status of last night, I managed to chop the skin from the top of my finger off with a scalpel, second time I've done it in the space of a week.
Andi