| Model | Main outcome |
| HO-1 | binary + bridge |
| HO-2 | weak binary + strong filament |
| HO-3 | filament + single cloud |
| HONR-4 | longitudinal filament |
| HO-5 | long transverse filament |
| M1 | binary + bridge |
| M2 | binary + bridge |
| M21 | almost binary + bridge |
| M3 | triple system |
| M31 | weak binary + strong filament |
| M4 | binary + bridge |
| M41 | binary + almost bridge |
| M42 | unbounded binary? |