A Triskele (or Triskelion) is a motif consisting of a triple spiral exhibiting rotational symmetry. The spiral design is based on interlocking Archimedean spirals.
Now including Blender 2.83 scene file with Eevee render settings and materials!
X = 65.28 mm
Y = 5.393 mm
Z = 68.50 mm
Minimum Thickness: 2.0 mm