The Superfax PF340 A3 paper folding machine has the added bonus of pre-set A4 and A5 old types, it doesn't get any easier than this, simply select the fold pattern you want and the paper size you have...

The Superfax PF440 paper folding machine is a heavy duty all-purpose A3 folding machine Able to fold all of the fold types including cross fold with a second pass, feeding from 46 to 160gsm without ...