What do you mean? Like creating every protin without a ribosome? Why would you need to go to that lengths of artfical?
Seams to like you have to start from the top up in one way or another.
Starting from the complete bottom just seams over the top.
"What I cannot create, I do not understand." - Richard Feynman
And to clarify, currently the ribosomes are provided as part of the cell-free transcription/translation system. Additionally, amino acids, tRNA (plus tRNA synthetase), RNA polymerase, and a primitive energy source (ATP with some extra energy in creatine phosphate) are all provided.
Here are the components of the most common cell-free transcription/translation systems (PURE): https://www.nature.com/articles/nprot.2015.082/tables/1
(all assumed, biology is not my area)
I think it must be possible to create equvivalent functionality from more durable materials.
This certainly is scify, but imagine changing all your cells one by one to cells which can withstand wider temperature ranges, and corrode (rot?) half as easily.