(TrendHunter.com) Heron Preston works in collaboration with Zellerfeld to create a special footwear design, named the HERON01. The shoe is entirely 3D printed and made without the assistant of any factories or supply... (TrendHunter.com) Heron Preston works in collaboration with Zellerfeld to create a special footwear design, named the HERON01. The shoe is entirely 3D printed and made without the assistant of any factories or supply...