Some Tetrahedral Tools
| Tool no. | Name | Description |
| 1 | The Tetrahedron | Acts as a detailed introduction |
| # | Relational Assessment | A tetrahedral learning tool |
| # | Creative Quartets workshops | Possibly the most developed tool we have |
| 20 | Quadratic Ethics Tool | Seeks to make ethics more relational |
| 38 | Triple Win-Win+++++++ | Practical metadesign tool |
| 78 | Four-fold Integration | A way to make systems work together |
| 89 | Quadratic Innovation | A multiple innovation tool |
| +++++ | +++++ | +++++ |
| +++ | Work in progress | +++ |
| 9 | Quadrant-as-Map Tool | Turns two 1D axes into a 2D map |
| 13 | Holistic mapping | Uses a database to do this |
| * | 4-Fold Semiotic Framework | is based on Peirce's approach |
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