1B |
1D |
1E |
“No one can pass through life, any more than he can pass through a bit of country, without leaving tracks behind, and those tracks may often be helpful to those coming after him in finding their way.” Robert Baden-Powell
Sviluppo |
Sulla LIM il tetraedro realizzato con Sketchup di cui abbiamo visto le proiezioni ortogonali. |