<img src=”http://www.thisiscolossal.com/wp-content/uploads/2012/06/sktech-1.jpg” alt=”3D Illusion Sketchbook Drawings by Nagai Hideyuki optical illusion illustration drawing 3d ” title=”3D Illusion Sketchbook Drawings by Nagai Hideyuki” width=”640″ height=”480″ class=”alignnone size-full wp-image-22408″/>

<img src=”http://www.thisiscolossal.com/wp-content/uploads/2012/06/sktech-2.jpg” alt=”3D Illusion Sketchbook Drawings by Nagai Hideyuki optical illusion illustration drawing 3d ” title=”3D Illusion Sketchbook Drawings by Nagai Hideyuki” width=”640″ height=”519″ class=”alignnone size-full wp-image-22409″/>

<img src=”http://www.thisiscolossal.com/wp-content/uploads/2012/06/sktech-3.jpg” alt=”3D Illusion Sketchbook Drawings by Nagai Hideyuki optical illusion illustration drawing 3d ” title=”3D Illusion Sketchbook Drawings by Nagai Hideyuki” width=”640″ height=”480″ class=”alignnone size-full wp-image-22414″/>

<img src=”http://www.thisiscolossal.com/wp-content/uploads/2012/06/sktech-4.jpg” alt=”3D Illusion Sketchbook Drawings by Nagai Hideyuki optical illusion illustration drawing 3d ” title=”3D Illusion Sketchbook Drawings by Nagai Hideyuki” width=”640″ height=”479″ class=”alignnone size-full wp-image-22410″/>

<img src=”http://www.thisiscolossal.com/wp-content/uploads/2012/06/sktech-5.jpg” alt=”3D Illusion Sketchbook Drawings by Nagai Hideyuki optical illusion illustration drawing 3d ” title=”3D Illusion Sketchbook Drawings by Nagai Hideyuki” width=”640″ height=”480″ class=”alignnone size-full wp-image-22411″/>

<img src=”http://www.thisiscolossal.com/wp-content/uploads/2012/06/sktech-8.jpg” alt=”3D Illusion Sketchbook Drawings by Nagai Hideyuki optical illusion illustration drawing 3d ” title=”3D Illusion Sketchbook Drawings by Nagai Hideyuki” width=”640″ height=”480″ class=”alignnone size-full wp-image-22417″/>

<img src=”http://www.thisiscolossal.com/wp-content/uploads/2012/06/sktech-7.jpg” alt=”3D Illusion Sketchbook Drawings by Nagai Hideyuki optical illusion illustration drawing 3d ” title=”3D Illusion Sketchbook Drawings by Nagai Hideyuki” width=”640″ height=”480″ class=”alignnone size-full wp-image-22413″/>

<iframe width=”640″ height=”480″ src=”http://www.youtube.com/embed/CsB6mzZLNUU” frameborder=”0″ allowfullscreen>

Playing with light, shadow, and perspective, Japanese artist Nagai Hideyuki creates these stylized optical illusions using the entire spread of his sketchbooks. Once propped against a wall and viewed from the perfect angle his illustrations seem to leap off the page creating a visual effect similar to an MC Escher drawing. See many more examples on his website, Facebook, and deviantART. (via visual news)