I already did that for the Platinum spot 5R. Don't you have the .evg and .ico files? Also the gobo's are the same on the 5R as the 15R PRO.
http://db.tt/dWJSG3cdownload the zip file and extract the folder inside and then copy ALL the files in the folder and paste too scanlibrary folder/icon. DO NOT place in the pre sets or fixtures folder in the icon folder. This folder has all the platinum gobo's that I had made for the 3D. They work really well.
Sorry for the late reply I must have skipped over this email.
Also here is the profile for the 15R:
http://db.tt/EjOKUd8Let me know how it all works.
Sincerely,