Large Rectangular Koi Pond Design

I’m ready to transform my backyard with a striking, rectangular koi pond that will hold well over 1,000 gallons of water. The concept must feel balanced and contemporary, yet still allow the koi to thrive year-round... (Budget: $250 - $750 USD, Jobs: 3D Design, 3D Modelling, 3D Rendering, AutoCAD, Building Design, CAD/CAM, Civil Engineering, Landscape Design)