Looks pretty straight down the length.
The hammer is NOT part of the frame ...
just a weight to hold the frame in place.
Looking from the rear wheel end.
The next step is to make the adjustable bottom bracket.
I clamped a hacksaw blade on each side to allow a little space for paint. See, even dull dead blades are good for something.
It's been welded up ...
only on the outside edges.
I need to "fish-mouth" this tube and weld it on.