SPACECAL: CAL Optimized for In-Space Manufacturing

This article is from my presentation I prepared for the 2021 VAM (Volumetric Additive Manufacturing) Workshop hosted by Dr. Maxim Shusteff and colleagues, which brought together the global VAM community to share exciting research in the field of volumetric 3D printing.


Additional Comments

  • Layer-based lithography systems may be incompatible in microgravity
  • We’ve demonstrated overprinting in lab, which could increase spare part diversity
  • The absence of relative motion between the photo-crosslinked object and the surrounding material enables bio-printing in extremely low-storage modulus hydrogels
  • Print times are much faster than layer-by-layer extrusion techniques
  • The print process occurs in a sealed container, which can be transported to the ISS, used, and returned to Earth with minimal human interaction
  • Minimal downtime for cleaning and maintenance as there is no extrusion system
  • Energy availability is a formidable challenge for in-space manufacturing, which means that mechanical motion must be limited to address the challenges of energy shortages.
  • NScrypt/Techshot plans to reduce the organ donor shortage (there are about 113,000 people on transplant waiting lists) creating patient-specific replacement tissues or patches.

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