Fabrics
Fabrics are a resource that can be obtained through Crafting or Trading.
In-Game Text
"Fabric is made from fibers that have been spun into threads and then woven or knit together into cloth"
Uses
Fabrics are used for crafting Soft Blocks inside an Assembler or crafting Medical Supplies inside a Chemical Refinery
Crafting
Fabrics can be crafted from Fibers inside a Micro-Weaver