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Thick and strong paper is good. Laminated paper is better.
Cut paper and lining cloth to inside.
Draw the fold lines by scratching with an awl. Make a slit.
Fold cloth and iron it.
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Fold paper and glue cloth.
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Paper case is cheap and weak.
It's easy and unexpensive. You can make various cases and use always new one.
This leather case has a partition.
I used thick leather for outside, thin leather for lining.
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