cubic (adj.)
- cube-shaped
- cubiform
- cuboid
- diced
- dimensional
- flat
- foursquare
- oblong
- orthogonal
- proportional
- quadrangular
- quadrate
- quadrilateral
- rectangular
- rhombic
- rhomboid
- spatial
- spatiotemporal
- spherical
- square
- stereoscopic
- superficial
- surface
- tetragonal
- three-dimensional
- two-dimensional
- volumetric