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Cycles: Refraction Node return Black (Sharp mode)
Closed, ResolvedPublic

Description

System Information
Operating system and graphics card
osx 10.9.3

Blender Version
Broken: e8c63ca
Worked: (optional)

Short description of error
Cycles Refraction Node is not working - it outputs Black only.

Exact steps for others to reproduce the error
Set Renderer to Cycles
Add Material
Set to Refraction
Set Distribution to Sharp
Render

Event Timeline

Confirmed on Win7/64. Test file:


However, I didn't find any older Blender version that worked - do I/we missunderstand the shader?