The Vaporization of a Sacrificial Component (VaSC) process is used to fabricate microvascular structures. This procedure uses sacrificial poly(lactic) acid fibers to form hollow microchannels with precise 3D geometric positioning provided by laser micromachined guide plates.
Nguyen, D. T., Leho, Y. T., Esser-Kahn, A. P. Process of Making Three-dimensional Microstructures using Vaporization of a Sacrificial Component. J. Vis. Exp. (81), e50459, doi:10.3791/50459 (2013).