Understand a few bits about production, so you can create more realistic 3D CAD, improve the quality of your renders (yes, it starts there...), prepare files to communicate with the engineering team, or prepare the file for a good old 3D print.
What is the reason why you struggle to tell a story around your concepts? And maybe also the reason why you are still looking for "new ideas", instead of looking for "logical solutions"? If this sounds like a good question to you, then you'll find a good answer here "How to design like Apple! The forgotten basics of Industrial Design & the reason why you can't build stories." :)