Setting the gloss map to white and turning the sharpness all the way up with the Specular Sharpness slider will give you the max sharpness for the IBL specular reflection. You can manually type in values higher than 256, however, I think that will only effect the sharpness of dynamic lights. This is something that we will…
Your issue is that your original mesh is actually sharp instead of looking sharp. It's essentially a bad hard edge across the multple hard edges. Do you need them to be THAT sharp? Can you run a small Deformation>Polish operation on it?
I'm optimizing a number of hard-surface vehicle parts from Solidworks by baking high-poly details to the low-poly mesh. When creating assets for games, I almost never use 90 degree angles on high-poly models. However, this particular asset I'm creating has a combination of beveled and sharp edges. I have a feeling that the…
metalliandy's sharp from uv isles doesn't seems to work with latest blender.What are you blender people using to harden edges to uv islands for nmaps ?