The wirecutter is still involved in recipes. For instance, I believe you need it to create a maintenance hatch required in any multiblock.
Oh, yeah, I guessed I've purged that painful memory. The damn spade (shovel-looking thingy) just for this 1 recipe was especially a royal PITA.
So, when it was time to craft my 2nd one, I crafted like 10 of them to last the rest of the game, I hope.