Pearlescent "flip" paint in Vray tut

[mattrxcool]

I had trouble finding a tutorial on making pearlescent paint in vray so i had a play about and I am quite pleased with the results:
http://img.photobucket.com/albums/v79/MATTRXCOOL/Pearl%20paint%20tut/PearlPaintResult.jpg

Heres the material settings I used (im using Vray Advanced):

First create a shellac like so
http://img.photobucket.com/albums/v79/MATTRXCOOL/Pearl%20paint%20tut/1.jpg

Then set up the VrayMtl in the Base lot like so
http://img.photobucket.com/albums/v79/MATTRXCOOL/Pearl%20paint%20tut/2.jpg

Then set the maps on the reflection colour and glossiness
http://img.photobucket.com/albums/v79/MATTRXCOOL/Pearl%20paint%20tut/3.jpg

Ok now we're done with the base material. The shellac material is the same as the base but with a few changes (you can copy the base material but make sure you choose copy instead of instance)
http://img.photobucket.com/albums/v79/MATTRXCOOL/Pearl%20paint%20tut/4.jpg

Ok now we have a basic paint shader, you could just set the diffuse color in the shellac material to any color and leave it like that, but it isn't pearl (yet).

Put a falloff map in the diffuse slot and set it like this
http://img.photobucket.com/albums/v79/MATTRXCOOL/Pearl%20paint%20tut/5.jpg

You can also play with the mix curve of the falloff to make the colors change at different angles (but I left mine alone).

Ok now you should have a decent flip paint shader like the first image of this post, experiment with different colors to get the effect you want. Obviously the shader needs something to reflect to look good so set up an environment (i used the building probe hdr)

I hope you could follow this alright and you found the info useful :)
If you have any questions post them and i'll do my best to answer

PS. I do not take credit for the basic paint material, I used one I had in my library already and then played with the settings, no idea where it came from originally. Sorry to the person who made it that I cant give better credit.

[instinct-vfx]

It doesnt look bad at all, just as a small pointer. As you´re using i´d suggest to upgrade to 1.5. And then dont use the shellac anymore as it renders a lot slower then the new VrayBlendMat. As a sidenote you will have to retweak your settings with VRayblend as it is not additive like the shellac. It has an option to be additive, but that is clearly physically wrong, so i wouldnt suggest using it.

Kind Regards,
Thorsten

[XCNuse]

you dont HAVE to use shellac; all you HAVE to do really is just make a single vray material, make the reflectivity you want, then go to the diffuse box, put a falloff map, set it on fresnal, and change the colors.. this is what you'll get:

[Sotman]

where can i dl this model?:)

[.GizmO.]

where can i dl this model?:)

This is a basic 3ds max model. ;)
I can make it and export it to 3ds if you want. :D

[Sotman]

This is a basic 3ds max model. ;)
I can make it and export it to 3ds if you want. :D

k..thats what i tought of:)

yeah would be cool.
but plz convert it to .obj and .3ds :)

thx!

[instinct-vfx]

It´s an hommage to the "Utah Teapot", wich was one of the first 3d Models.

Here´s some info on it (the original dataset also contains cups and spoons)

http://www.sjbaker.org/teapot/

It´s actually appearing every now and then even in Windows´ "Pipes" Screensaver :P

Thorsten

[instinct-vfx]

@XCNuse : There´s advantages in using VRayBlend. First of all you can layer quite some different reflection layers (as for car paint, a diffuse, a glossy and a clearcoat layer...or a metallic flake layer etc), and even more importand you can output each of the layers seperately in one renderpass....wich helps a LOT when finetuning in post.

Regards,
Thorsten

[XCNuse]

i dont have vrayblend so .. ya i dont know what that is lol

[mattrxcool]

Thanks for the tip instinct, i'll have to try it that way as shellac is a bit heavy on the render times.

XCNuse: A nice result you got, certainly alot simpler than the way I did it.

I was only taking a paint material I already had in the library and then tweaking it to get a pearlescent look, perhaps not the best way of going about it :p

[masterjost]

have a look at this:

http://www.vray-materials.de/all_materials.php?category=Automotive