The largest Echo model offers 14.3 m² of internal space with a gable roof and 44 mm wall thickness. Built with 19 mm floor boards, it’s perfect for a spacious garden office or retreat.
| 
                  
                     | 
                2.79x4.89 | 
|---|---|
| 
                  
                     | 
                2.99x5.09 | 
| 
                  
                     | 
                12.9 | 
| 
                  
                     | 
                2.3 | 
| 
                  
                     | 
                0.25 | 
| 
                  
                     | 
                17.6 | 
| 
                  
                     | 
                19 | 
| 
                  
                     | 
                1.96 | 
| 
                  
                     | 
                28.0 | 
| 
                  
                     | 
                19.0 | 
| 
                  
                     | 
                0.0 | 
| 
                  
                     | 
                0.0 | 
| 
                  
                     | 
                2 | 
| 
                  
                     | 
                60 mesiace |