Perspectrum
Movie| Title | Perspectrum |
| User score | 0 |
| Release date | Jan 1, 1975 |
| Genre | Animation |
| Director | Ishu Patel |
| Production country | Canada |
| Production companies | ONF | NFB |
| Run time | 6 min. |
In this animated short, simple geometric forms as thin and flat as playing cards constantly form and re-form to the sound of the koto, a 13-stringed Japanese instrument.