File:Companion Cube.jpg - Wikimedia Commons

3D block cube with shadows. Object render in perspective for white

The occult roots of higher-dimensional research in physics

Epitaxial growth of metal-organic framework nanosheets into single

Portal with RTX - Combine OverWiki, the original Half-Life wiki

Fuck Yeah Pixels! — Free companion cube icon by exjuice

Portal 2 Half-Life Drawing Companion Cube PNG, Clipart, Angle

Outernet - Raspberry Pi

Processes for Clean Modeling in Rhino - School of Architecture

File:Wismut Kristall und 1cm3 Wuerfel.jpg - Wikipedia

XYZ 20mm Calibration Cube by iDig3Dprinting - Thingiverse

Aperture Science Weighted Storage Cube, Half-Life Wiki