I recommend this to all non-designers out there. I'm not very handy with photoshop myself. i take from the website and edit there as well :). It's got a lot of graphics (thousands according to their site) and they're in different styles! I use them on my presentations and have gotten a lot of compliments on them.
I really love this resource, and I'm not just saying it for the sake of saying it. If you like sites like Undraw, this is for you. Here's a few reasons why:
Do you know an article comparing Graphicmaker by Designs.ai to other products?
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