| Clue | Source | Date |
|---|---|---|
| Mathematical term for a cube inside another cube | ||
| A figure often depicted as a cube within a cube (9) | ||
| Somehow recast set into 4D figure | The Times Cryptic | 11 Nov 2024 |
| A four-dimensional figure | ||
| Four-dimensional hypercube, sometimes represented as a cube within a cube in three dimensions | The Times Specialist Sunday | 03 Dec 2017 |
| A cucubebe? | ||
| Challenge when reflective minds included hypercube | ||
| Four-dimensional analogue of a cube |