BlenderDiplom Tutorial: Volumetric Logo Reveal in Cycles

Blender 2.7x got a great new feature - volumetrics in Cycles! Learn the basics of the volume scatter effect in this tutorial.

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Thanks for the tutorial. I always enjoy and learn something new!

Thanks for a good tutorial as usual from you Gottfried.

But I wondering. I don’t see any lamp/Light when I rendering? Why
Can you take a look at my blend file and se whats missing.
Thanks in advance.
http://www.pasteall.org/blend/30282

change light source type from sun to spot.

storm_st Thanks for your reply.

Yes I did. First I try with a sun light and then a spot light. Still dark?

I changed to spot, increase light strength to 100, all works, at least volume cone become visible.