I hope i am not the first to think of this,
I have been thinmking about scrap.. and getting it reliably and getting it into the machine reliably, without manual work.
Where to get free items to recycle to scrap? Anything I have would just require me to get it and collect it and put it in to the recycler, and then take it out and put it in a Mass fab.
So the idea is this ( and it works on creative )
Hopper feeds Mass Fab.
hopper fed by box which is fed by recycler with upgrade for exporting its items to the box.
Recycler is fed by a hopper/box, you can put whatever you want in there to recycle.
Now for a unlimited item to turn to scrap.
Build a small area for the chickens.... use water to push the eggs into a hopper and that hopper feeds the recycler.
= mass fab