Back by popular demand are the how-to instructions for making colorful gelatin plastic. Just stir up a mixture of unflavored gelatin, food coloring and water to create wacky transparent shapes and … ...

D-Shape 3D printer in action The time gap widens in the case of structures with custom shapes. Traditionally, Portland cement is used to achieve concave or convex forms.

Scientists from The Hebrew University of Jerusalem have created wood ink that can be extruded into flat wooden structures, self-morphing into complex 3D shapes as they dry and shrink.

3D shapes are not flat shapes, they are solid shapes like a football or an ice cube. Can you make yourself into a 3D shape? To play this video you need to enable JavaScript in your browser.