- Create a new scene.
- Add a Cube object.
- Increase X/Y/Z Segments to 5. Attributes Manager > Object Tab > Segments X/Y/Z = 5
- Make the Cube editable (Press C).
- Go into Polygon Mode.
- Choose your Live Select tool (Black arrow with red circle around it)
- Select the polygons in the pattern of dots on each side.
- Bottom = 6
- Front = 3
- Top = 1
- Back = 4
- Right = 2
- Left = 5
- Rt-Click > Extrude Inner
- Turn off preserve groups: Attributes Manager > Tool > Preserve Groups
- Inset the polygons a bit.
- Rt-Click > Extrude
- Extrude the polygons in a bit towards the center.
- Select > Grow Selection
- Create a new black material.
- Drag the material onto the selected polygons
- Create a HyperNURBS Object
- Drag the Cube into the HyperNURBS Object in the Objects Manager.