I think, technically, the answer to the OP is “Yes. There is definitely someone, somewhere who knows how.”, but that’s not very helpful. Luckily, Hello Again’s guess is pretty much right on the money. While tubular pastas can be made by hand, it’s difficult to make them appealingly consistent that way, as well as extremely time consuming.
But, if your heart is set on totally authentic pasta, roll it through the pasta machine (or by hand) until it is medium thick. Angel hair thickness won’t do. Cut into wide-ish strips, the actual width depending on the shaping method you use. To make the tubes, cut the long strips into short ones. Use either cooking spray or flour, not both, to “lubricate” a forming tool, which can simply be the (clean!) tube of a stick-type pen, or something similar. Wrap the short strip of pasta around the lubricated stick and pinch the seam closed with your (NON-flour-or-oil-coated) fingers. Run the back of a spoon’s bowl along the seam to smooth it. Cut the pasta tube into the desired lengths, if necessary, and slide off the stick. Repeat 100 to 500 times. (Or, until you chew your own leg off to escape. Whichever comes first.)