Corner Sinks for Small Bathrooms: Which Designs Save the Most Space?

I'm remodeling a tiny bathroom and started looking into corner sinks for small bathrooms to maximize floor space.

I've seen wall-mounted, pedestal, floating, and vanity options, but I'm curious which ones work best in everyday use.

This guide compares several space-saving designs:
corner sinks for small bathrooms

What would you recommend for a bathroom under 40 sq ft?