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Chocofur IES lights for Cycles


Lechu writes:

Hey everyone,

I thought you might be interested in this one - I've recently uploaded 10 IES profiles created directly in Cycles using a node setup allowing you to adjust their look without any external applications. There's also a Chocofur tutorial explaining the entire process and some issues you may come across when working with spot lamps in Blender.

Happy Blending!


  1. First of all - the addon imports IES profiles as Spot Lamps which causes issues with mixed scene illumination methods (ie. unnecessary noise when using HDR map as environment). Second - the node setup is much more complex and for some IES profiles it didn't allow editing their power and temperature (except of re-importing them to the scene with changed values). Third - in order to change shadow softness you'd need to re-edit the IES profile itself - in our method you just scale up/down the mesh object emitting the light. And the last one - you don't need any external addons. Just do it yourself in a few minutes using basic node setups.

  2. The tutorial is awesome to product own IES lights, indeed. However I couldn't use your IES.blend file as an IES light. Link/Append did not work. So how to use it for our already working scenes?


    • Hey, you simply need to append an object with applied IES shader. They're named accordingly and match the look of 10 reference IES lamps seen in the tutorial.

      • ugh... :D I have solved it Lechu thanks.

        The problem was on that appending your great IES light object which goes to anywhere in scene. Then I could not see where lit appears. Find them in outliner and then grab to center in scene. So I advice to other users that firstly find apended IES-Light object where it is placed then use it in your scene's absolute position.

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