We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of people creating little gems to trick our eyes. Anyone wanting to create their own won't want to miss this ...

Draw a simple triangle on top of the main shape. Make the triangle centered so the roof looks balanced. Keep the sides slightly slanted for a natural roof pitch. Extend the roof edges slightly beyond ...

News: a new generation of 3D printing pens will "improve the creativity of everybody" and "give the world a new way to communicate," according to the designer of the Lix pen, which launched on ...