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© 2025 Paulo Henrique Siqueira
Baumgartner tetrahedron
Tetraedro de Baumgartner
faces
edges
vertices
compound
edge sizes:
$\mathsf{ \sqrt{11} \over{2} }$
,
$\mathsf{ \sqrt{3} }$
,
$\mathsf{ \sqrt{3} \over{2} }$
,
$\mathsf{ 2 }$
.