An L-shaped fireplace is one of my favorite ways to make a corner feel intentional, not like an afterthought. Two-Sided Glass Corner Insert Two-sided glass corner insert: L-shaped flames glowing to both sofa and dining spaces. A two-sided glass setup is my go-to when you want the flames visible from the sofa side and the dining side at the same time. I helped a friend plan one like this, and it’s unreal how it makes…