The , invented by Tony Fisher , is a 45-degree shape modification of the standard
Complete PLL (works after center correction): fisher cube algorithms pdf
Goal: make all elongated edges behave as normal 3×3 edges (paired/oriented) so standard 3×3 algorithms apply. The , invented by Tony Fisher , is
If two adjacent or opposite side centers need a 90-degree twist to match their surrounding pieces: M' U M U' M' U M U' Opposite Centers (Front and Back): (M' U M U') x 2 How to Save This Guide as a PDF invented by Tony Fisher
Look at the shape, not just the colors, to ensure the piece fits flush with the side faces. Step 3: Middle Layer (F2L)