SLIDING WINDOWS from Pella® of Austin From smooth curves to striking angles, Pella Windows and Doors Special Shape windows offer virtually endless design choices and let you achieve a custom look at a competitive cost. Special shape windows are sold in curves and angles to strengthen the architectural interest and strengthen the natural light in your home. These windows help you bring together a variety of shapes, sizes and styles to form a unique focal point. Special shape windows are available with grille types that match our other windows so you’ll have a quality, uniformlook throughout your home. Made in multiple sizes, these factory-assembled window combinations will forma custom look using standard windows. If you don’t see the shape you had in mind, please refer to our Custom Windows. Pella Windows and Doors can create virtually any window shape or size you desire.Schedule an in-home consultation or visit the showroom in Austin to learn more. Schedule Now!