Lockdown recipe.

Ingredients: 3/16 " diameter and 1/2 " Diameter, Bright mild steel bar.
                      Pipe bender.
                      2.5 % Silicon bronze brazing rods.
                      Oxy/Acetylene bottles.
                     Lathe.
                     Hacksaw.
                     Files.
                     Emery cloth.
                     Patience.
                     Time.
Method:     Cut and bend bar to make L/H and R/H frame tubes.
                    Cut and fit cross members.
                    Clamp and braze everything together.
                    Machine Headstock in lathe.
                    File bars, so that Headstock is a good fit.
                    Clean up with emery cloth.

Follow these instructions and after a fortnight, or so, you should end up with a mini, Norton Wideline Featherbed frame.

This one that I made, during the coronavirus lockdown, is a bit wobbly, in places and not that accurate, but it kept me occupied for a while.
It measures about 7 and 1/2" long and 4 " high.