Injection molding is a manufacturing process that uses molds and high temperatures to produce plastic parts in large quantities ranging from hundreds to millions. The process involves injecting molten plastic into a metal mold cavity, which is then cooled to release the finished part. Multiple-cavity molds can produce identical parts simultaneously. A recent study evaluated surface coating solutions for injection molded molds to better replicate high aspect ratio nanostructures, identifying coatings that allowed over 90% replication of nanopillars with aspect ratios above 20:1. Injection molding shows potential for high-throughput and low-cost mass production of nanofabricated components.