Why practice makes sense.

I thought I'd read enough on 'how to do it', to NOT take the advise of doing some trial runs on scrap, and learn on the job. This is the result. RHS is my learning curve, using plastic bags. LHS is second seam with spoon. May I emphasise to other first time builders, "learn on scrap". I intend (and still do) to have the inside clear. I'm staying with this decision purely as a reminder to me of the errors of my ways.