An indirect additive manufacturing method combining a 3D printing of polymers with a centrifugal casting is outlined for manufacturing 3D octet truss metals (Al and Cu alloys) having a unit cell length of 5 mm with a wall thickness of 0.5 mm.
Mun, J., Ju, J., Thurman, J. Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting. J. Vis. Exp. (111), e53605, doi:10.3791/53605 (2016).