I've exchanged emails with John S, he is pretty much up for building any sort of miniature machine tool you might fancy...
I fancy one like Russell's. How much is he quoting?
It ain't cheap
Didn't ask for one exactly like Russell's, so I can't say, but... let's say a fairly large pile of Otto's tires would need to be sacrificed...
Hey Bo, large pile of Otto's tyres already sacrificed, including the fat man himself. I'm also considering a Proxxon MF 70 micro mill with some add-ons. Not as pretty as Russell's but may be helpful with the little WW1 Russian Armoured Cars.
I still wish I had Russell's thing.
p.s. Got a HpH Macchi today (stunning kit) and a photo from Ira in Texas. He's teasing me with his Fokker Dr.I (nearly finished)

p.p.s Russell doing a
"..fiendish modification on one of Otto's wheels" Please remind the fiend that Otto offers a spoked wheel repair and re-lacing service
Little Russian Armoured Car (Fiat-Omsky Twin Gun 1919)

Got one or three of these in the post.
Modellers of the world unite!