| Model | Initial calage | New calage (1) | Risers | A | B | C | D |
| gnuA 27 m2 |
35,0% | 25,0% | 3 | -12 | -6 | 0 | |
| gnuA2 27 m2 |
35,0% | 25,0% | 4 | -12 | -8 | -4 | 0 |
| gnuA3 27 m2 |
35,0% | 25,0% | 3 | -12 | -6 | 0 | |
| gnuA4 27 m2 |
31,0% | 25,0% | 3 | -10 | -5 | 0 | |
| gnuA5 27 m2 |
31,0% | 25,0% | 3 | -10 | -5 | 0 |
| Size | 15 | 20 | 22 | 24 | 27,02 | 31 | 32 |
| Scale linear factor | 0,74508 | 0,86034 | 0,90234 | 0,94246 | 1,00000 | 1,07112 | 1,08826 |