 Powder-based additive manufacturing techniques such as selective laser sintering, and inkjet 3D printing are being used to create complex tissue engineering structures with minimal tooling costs and time. These techniques can produce parts with desired geometries and are particularly useful when working with powders. Updating the current knowledge about these techniques and their effects on mechanical and biological properties of fabricated tissues and scaffolds is necessary. Parameters need to be set up effectively, biocompatible or bioactive materials need to be developed, and the mechanical, biological properties of laser-sintered and 3D-printed tissues need to be improved. This article was authored by Saeed Farid Saeed Shirazi, Samir Garakani, Mehdi Merali, and others.