I can´t see my swimming pool in 3D. Please, help

[sladkovamonika]

I put a model of swimming pool to the plane of my garden, i used the negative elevation but there is still grass in 3D view on the swimming pool (where the water should be). Can anybody help, please?

[Keet]

See this article: https://www.sweethome3d.com/blog/2014/0 ... _pool.html
I suspect that you don't have a hole in the grass floor to show what's below.