Download Sims 4 Pose: Fireplace Wall Cutout {Request}
Base Game Found Under "Fireplace" New Mesh + 20 Recolors. Cutout Wall Fireplace For Your Simmies! Bright Colorful Solids With Woods. Creation Time: 5 hours
Block out the fireplace with a 1x2 wall on the other side & Use BB.Moveobjects on Cheat for the OMSP Placements. The Fireplace is cloned from an arch so it sits alongside a wall perfectly giving it a sunken in look.