What i mean by "multi-layered assembly machines" is an assembly machine not just requesting the mere ingredients of the lates recipe we requested but could also use multiple levels lower ingredients;
Example;
When we are crafting "Inserters" in an assembly machine should be fed;
- 1x Electronic Circuit
1x Iron Plate
1x Iron Gear
If it was a "multi-layered assembly machine" we could simply feed it;
- 3x Iron Plates
1x Electronic Circut
And maybe (if it is balanced correctly) with upgrades (or not) we could simply feed it;
- 2x Copper Plates
4x Iron Plates