I'm looking to make futuristic/modern swirls in Illustrator for a background for a project that I'm doing. Here's an example I found:
I don't want to rip the picture off and I'm not looking for this is exact design but am curious as to what method I could use to make something similar. It appears to be using some outer glow and gradients but is that something likely done with a pen tool?
I've Googled around for a tutorial of that nature and am not necessarily looking for someone to teach me completely, just point me in the right direction so I can play around with it. Sorry if this is a super basic question, just trying to learn some new techniques. Thanks!