To create a high pressure on the edge area you will need to make a mould that can be mechanically compressed (By clamps, bolts or the like) while also having a vacuum bag present..
I only make flat sheets or profiles this way, My mould consists of two 20 mm thick polished stainless steel plates. I sandwich the fabric between them, do a wet lay-up - envelope bag the whole lot, vacuum on via through-bag connector, then clamp the whole thing down with about 50 kg of lead bars ..
This gives a very high fibre to resin ratio.
I simply grind the resulting "flat bar" into the desired shape, just like making a knife from flat bar stock..
I've never used foil for the cutting edge, but I have used 1 mm hardened knife steel sheet, ground to a rough shape, then sandwiched between CF fabric.
The same method could be used for the foil .. both methods require skillfull grinding of the blade ..
"Sapere Aude"... Dare to KNOW!
The written word is the only truly efficient vehicle for transmitting a complex concept from mind to mind...
103% of all people do not understand statistics...
Do not adjust our mind, theres a fault in reality :-)