4.1 How Do You Shade Optical illusions?.2.6.4 Step 4: Outlining the Impossible Staircase.2.6.3 Step 3: Creating the Impossible Staircase.2.6 How to Draw an Impossible Staircase.2.5.4 Step 6: Adding Shading to the Impossible Square.2.5.3 Step 3: Outlining the Impossible Square Shape.2.5.2 Step 2: Cutting the edges of the Largest Square.2.5.1 Step 1: Drawing Squares Within a Square.
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2.4.3 Step 3: Drawing Shading Guidelines.2.4.2 Step 2: Drawing Smaller Squares Within the Squares.2.4.1 Step 1: Drawing a Three-by-Three Square.
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2.1.5 Step 5: Adding Shading for More Three-Dimensionality.2.1.4 Step 4: Erasing Lines Inside the Triangle.2.1.2 Step 2: Making the L-Shape Three-dimensional.2 Step-by-Step Instructions for Easy Optical Illusion Artworks.1 An Easy Guide to Drawing Optical Illusions.