Abstract

A rapid construction process is necessary for building up numerous cellular aggregations into three-dimensional (3D) tissues that retain the tissue geometries and initial conditions of the cells. In this chapter, we introduce new 3D assembly techniques to fabricate different hollow tissue structures. In cellular self-assembly technique by using the micro-fabricated platform, we discuss a microlumen that facilitates the supply of oxygen and growth factors and the expulsion of waste products and then fabricate a toroid-like tissue by utilizing this assembly technique. In rapid assembly technique by using transfer printing, we discuss the relationship between the 3D transcriptional body of a gel matrix and the developed shape of transferred tissue and then fabricate a hollow tubular tissue by utilizing this assembly technique.

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