rhino vs truespace

thomasm923@... wrote

"If I understand what you are trying to do, my suggestion is to
extract the edges of your "panes" of glass and make the extracted
surfaces a medium grey, with the same or lower transparency level as
the "glass". Go to Solid/Extract surface or type in ExtractSrf in the
command line. At the "Select surfaces to extract" prompt, type in c
(to make copies) and click on the edges of your "glass". Then set the
properties of the new surfaces as above and render."

What I am trying to draw is the classic
explanation for multiview (orthographic
projection.

The easiest is to draw the "glass plane
as a rectangle, but the rectangle will
disappear on rendering.
Solve by drawing the "rectangle as a
thin box (glass panel)

Rhino "perspective" view

/|
/ |
solid / |
____ / |<-- glass pane
/ /|____ / | (thin box)
/___// /| / |
| |/____/ |/ /| | line art on
____|_______|_// //| | glass
| | |/ | /
| ____ | | / /
| | |____ | |/ /Side view
| | | | /
| |________| | /
| | /
|_______________|/
Front view


Rhino rendered view, lines disappeared.






/|
/ |
/ |
____ / |
/ /|____ / |
/___// /| / |
| |/____/ |/ |
____|_______|_// |
| | /
| | /
| | /Side
| | /
| | /
| | /
|_______________|/
Front

Question is, how do I get the lines to remain
visible on rendering?