The Makonde *Ujamaa*, or *Dimoongo* "tree of life," is a tall sculptural column carved in the round from a single trunk of mpingo — African blackwood, *Dalbergia melanoxylon* — with human figures stacked and interlocked, climbing toward the crown. Roberto Yakobo Sangwani introduced the form in the 1950s among Makonde carvers of southeast Tanzania and northern Mozambique, giving visual shape to Julius Nyerere's post-independence ideal of *ujamaa*, familyhood and mutual support.

This design system translates that column into an interface: a polished near-black heartwood ground carrying deep blackwood surfaces, lit only where pale honey-to-ivory sapwood is exposed at the cut edges. Wet, mirror-gloss highlights trace a single strong vertical axis, echoing figures interlocked and climbing.