HELP PLEASE. VRAY, ALPHA, SHADER question

#1

Didn’t know where to post this, but any help would be great. Thanks.

I basically need to hide the plain, as seen in the viewport (no render), but keep the shadow of alpha.

Is this possible?, thanks See screen…

#2

I want to make a box, put it on a plane. The box needs to cast a shadow onto the plane, so I can make an alpha.

The catch is that the plane needs be invisible, as in not seen in the render.

Anyone?..

#3

Any help guys?, an invisible plane which can cast a shadow in an alpha?

Someone must know… Thanks.

Screen attached…