Journal
INTERNATIONAL JOURNAL OF BIOPRINTING
Volume 7, Issue 1, Pages 7-20Publisher
WHIOCE PUBLISHING PTE LTD, SINGAPORE
DOI: 10.18063/ijb.v7i1.299
Keywords
3D composite bioprinting; Biofabrication; Computer-aided design and computer-aided manufacturing; Multiscale structure; Physical field control
Funding
- National Natural Science Foundation of China [61973206, 61703265, 61803250, 61933008]
- Shanghai Science and Technology Committee Rising-Star Program [19QA1403700]
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3D bioprinting technology plays a significant role in fabricating artificial tissue, with a shift towards multi-process composite mode. This evolution requires more complex path planning and process control, challenging traditional CAD/CAM systems.
Three-dimensional (3D) bioprinting is an important technology for fabricating artificial tissue. To effectively reconstruct the multiscale structure and multi-material gradient of natural tissues and organs, 3D bioprinting has been increasingly developed into multi-process composite mode. The current 3D composite bioprinting is a combination of two or more printing processes, and oftentimes, physical field regulation that can regulate filaments or cells during or after printing may be involved. Correspondingly, both path planning strategy and process control all become more complex. Hence, the computer-aided design and computer-aided manufacturing (CAD/CAM) system that is traditionally used in 3D printing system is now facing challenges. Thus, the scale information that cannot be modeled in the CAD process should be considered in the design of CAM by adding a process management module in the traditional CAD/CAM system and add more information reflecting component gradient in the path planning strategy.
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