Dodecahedron Calculator

Face-down orientation from square stock

Results — Face-Down

Stock to Cut

Block dimensions

Dodecahedron Dimensions

Edge length
Face-to-face height
Circumsphere diameter

Pentagon Face Dimensions

Edge length
Circumradius (center to vertex)
Inradius / apothem
Diagonal (vertex to vertex)

Fusion 360 Values (mm)

Pentagon circumradius
Block height
Note: Pentagon sits centered in the square. The middle belt of the dodecahedron bulges out to fill the full stock width—that's your constraint.