If you make a work of assembling with two parts or six parts, please omit this process.
And if you make a work of assembling with three parts, please fold it as mountain fold.
When you make all parts, Please check the direction and size of parts by putting it on top of one another.
When process 1 is folded, the width of process 3 is decided automatically.
Also, there is a relation between process 1 and process 3 that another one will be narrow width when one has larger width.
The most wide width of process 5 and process 7 is folded along edge of part. Forexsample, The most right figure of process 7.)
The most narrow width of process 5 and process 7 is not folding. It means you do nothing at these processes.