Geometric Shapes in Interior Design: Reasons for Popular Geometric Patterns in Interior Design Trends? Because when we think of geometric patterns in interiors, it often conjures up images of bold and bright patterns, but geometric patterns don't just appear through print. Natural geometry is all around us and can also be found in furniture design, architecture and materials. Which means you don't have to completely redesign your home to add this season's trendy touch to your interior space. When it comes to interior design, keeping an eye out for trends is always crucial. Nowadays, geometric patterns in interior design are more and more popular. We're starting to see them popping up everywhere, from TV shows to the pages of popular magazines.