The effect
Each approach has its place.
Simple icons are useful. Not every point needs a bespoke 3D visual. If something appears in a list, supports a small detail, or needs to be understood quickly, an icon can be completely valid.
But for hero moments, important messages, or ideas that define the brand, a more bespoke 3D visual can create a stronger impression.
It puts more emphasis on the topic. It feels more specific. And it helps the brand build a visual world instead of relying on generic decoration.
This is where consistency matters.
If a brand uses simple icons to highlight its most important message in a deck, it might fall short. It can feel underdeveloped or disconnected from the rest of the brand. And that can make the brand feel less trustworthy.
The goal is not to turn everything into 3D.
The goal is to know which kind of visualization fits which touchpoint.
Use simple icons where they are enough. Use more bespoke 3D visuals when the message needs more weight, more emotion, or a more premium tone.
That is how a visual system becomes useful: it gives you options, but also helps you make better decisions.
Hope this helps!
If you have any questions, feel free to reach out.
Best!