Micromachines (ISSN 2072-666X), is an international, peer-reviewed open access journal of micro/nano-scaled structures, devices, systems, and related micro- and nanotechnology from fundamental research to applications, published monthly online by MDPI. Launched in 2010, Micromachines has published more than 3000 articles. It is indexed in EI, Scopus, PubMed, and Web of Science, and has an Impact Factor of 2.523 (2019). Micromachines boasts a fast peer-review process and online publishing of original results. Manuscripts are peer-reviewed and a first decision provided to authors approximately 12.6 days after submission; acceptance to publication is undertaken in 1.9 days.