https://www.osti.gov/pages/biblio/1876272-eu5al3sb6-al4-tetrahedra-embedded-rock-salt-like-structure
The U.S. Department of Energy's Office of Scientific and Technical Information
in arock salttetrahedraembeddedlike
https://www.cgtrader.com/3d-print-models/art/mathematical-art/wireframe-shape-compound-of-five-tetrahedra
3D print model Wireframe Shape Compound of Five Tetrahedra , formats include OBJ, FBX, STL, IGE, STP, PDF, ready for 3D animation and other 3D projects
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