Suppelemental Material:
Tetrahedra of Varying Density and their Applications
Dennis R. Bukenberger, Hendrik P. A. Lensch

This archive includes the G-code for the objects shown in the paper's Figure 9 and the video.

Both objects are included with nativ constant infill.
The bar is also provided as the linear gradient version shown in the paper.
Further, the rockerarm is included as our optimized version presented in the paper and video.

Shown examples were printed on a Prusa i3 MK2 using PLA filament.