[ denim shorts can be crafted with the following recipes

Player Recipe
Primary skill used: tailor(2)
Required skills: N/A
Time to complete: 20 minutes
Tools required:
> 1 tool with sewing quality of 1
> 1 tool with cutting quality of 1
Components required:
> 66x cotton sheet
> 3x thread OR 3x sinew OR 3x plant fiber OR 3x yarn OR 3x Nomex thread OR 3x Kevlar thread
> 1x short plastic zipper OR 3x steel snap fastener OR 2x touch fastener OR 2x short string OR 3x plastic button OR 3x wooden button OR 3x steel button
Byproducts:
(none)
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This recipe can be found in the following books when tailor is at least the required level:
Sewing Techniques for Designers (level 3)
Sew What? Clothing! (level 3)

Autolearned
Player Recipe
Primary skill used: tailor(0)
Required skills: N/A
Time to complete: 20 minutes
Tools required:
> 1 tool with sewing quality of 1
> 1 tool with cutting quality of 1
Components required:
> 1x jeans
> 10x thread OR 10x sinew OR 10x plant fiber OR 10x yarn OR 10x Nomex thread OR 10x Kevlar thread
Byproducts:
> 4x rag