Bioprinting technology enables the fabrication of computer-designed 3D microarchitectures consisting of multiple types of living cells, biomaterials, and biomolecules, making it possible to produce real organ/tissue-like cellular construct. Many researchers have reported that biomimetic design has a great effect not only on artificial tissue formations, but also on functional recovery of damaged organs. Our team is developing new 3D bioprinting systems and processes to build 3D precise cellular constructs with biomimetic architectures. Based on the technology, we are also conducting various studies on bio-applications such as artificial tissue/organ regeneration, wound healing, disease model, and body-on-a-chip.