1 \section{Removing faces}
3 The key value \texttt{\Lkeyword{rm}=1 2 8} allows to suppress the drawing of the
4 faces with the index numbers 1, 2 and 8, to be able to have a look inside a \Index{hollow} solid.
6 \begin{LTXexample}[width=5cm]
7 \psset{Decran=12,grid=true,viewpoint=15 10 15}
8 \begin{pspicture}(-2.5,-2.5)(2.5,2.5)
9 \psSolid[object=cylindrecreux,
19 \begin{LTXexample}[width=5cm]
20 \psset{Decran=12,grid=true,viewpoint=15 10 15}
21 \begin{pspicture}(-2.5,-2.5)(2.5,2.5)
22 \psSolid[object=troncconecreux,