The shader is now located in: 3ds Max 2015\NVIDIA\shaders_standard\mentalray\include You can still do this in 2015 but you do need to set the renderer to Mental Ray before it shows up.
Same here! Instead of using the script r_fletch_r provides, you could just "unlock" the Round_Corners_Bump Map and then select it from the Map Browser, just like applying a Noise map to the Bump slot (for Max that is). Guide to unlock the Round_Corners_Bump Map for all Shaders in 3DS Max: STEP 1: - Go to <your max install…