How to mask simple geometry?

Sat May 18, 2013 6:38 am

Hello. Here is my question, can I stencil (mask) geometry by bw image?

Here is detailed question with picture:
https://www.dropbox.com/s/zn6micjj8gv52 ... pg?v=0swn-

Sat May 18, 2013 7:44 am

An image in a material mix should work.
Use the image texture in the amount slot.
Use material1 for a material for the inner part and make material2 diffuse, which has opacity 0.

face

Sat May 18, 2013 8:48 am

Couldn't you just use a black and white version in the opacity Chanel?

Sat May 18, 2013 8:59 am

gordonrobb wrote:Couldn't you just use a black and white version in the opacity Chanel?

Yes, this would be much simpler and work as well.
I think, i think to complicated...

face

Sat May 18, 2013 9:16 am

Thu May 23, 2013 4:57 pm

Many thanks!

Thu Jun 06, 2013 7:23 am

Also I found another solution to use png as image and as alpha image texture. This is much simpler than to use mask for material.