The myriad advancements in technology are making it easier for designers to create pendants, sconces and chandeliers that push horizontal and vertical boundaries. Slim, flat fixtures evoke a contemporary attitude and showcase the versatility of LED technology. Geometric designs feature circles, squares, rectangles and hexagons with built-in or exposed bulbs that highlight each fixture's graphic shape. And sputnik-style chandeliers embrace the eclecticism of mid-century, modern style.