Quoted from bigguybbr:The guy who makes speaker leds wasn't thrilled when others shared their own free versions of a bracket to print. Worth a read for some drama
https://pinside.com/pinball/forum/topic/3d-printing-sharing-thread-lets-better-the-hobby/page/2#post-5996958
I don't blame him, but this is the free market at work. He can be upset but he can't do anything about it.