SLIDING WINDOWS from Pella® of Oklahoma City From elegant curves to modern angles, Pella Windows and Doors Special Shape windows offer virtually endless design possibilities and let you achieve a custom look at a competitive price. Special shape windows are made in curves and angles to strengthen the architectural interest and strengthen the natural light in any room. These windows allow you to bring together various shapes, sizes and styles to make a stunning focal point. Special shape windows can be made with grille patterns that match your other Pella windows so you’ll have a quality, seamlesslook throughout your home. Available in multiple sizes, these factory-assembled window combinations will leave you witha custom look using standard windows. If you don’t see the shape you had in mind, please take a look at our Custom Windows. Pella Windows and Doors can create virtually any window shape or size you need.Schedule an in-home consultation or visit the showroom in Oklahoma City to learn more. Schedule Now!