A future filled with performance biomaterials is coming fast. The synbio stack makes biomanufacturing better, faster, and cheaper. — This article was originally published at tsungxu.com. Twenty milligrams, about the weight of a feather. Spiber’s founders had only made this much spider silk protein in three months in 2008. For their first year operating, it was an inconspicuous amount and very humble beginnings.