2x2 grid, do this for 1000 BC, 1500 AD, 1900 AD 2025 AD Render_Target = ( Isometric_Raised_Interior_Map_Of_s_Bedroom_In_[Era] * 1.2 ) + ( Pop_Culture_Time_Capsule_Infographic_UI * 1.5 ) + ( Popular_Toys_of_era * 2.5 ) + ( Era_appropriate_lighting_With_[DECADE]_Filters * 1.0 ) - ( Generic_Retro_Console_And_Rubik's_Cube / 3.0 ) - ( Historically_Inaccurate_Posters / 2.5 ) - ( Flat_2D_Furniture_Showroom_View / 2.0 )