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.

Sakuu has developed a way to 3D print 'solid state' batteries, a better alternative to lithium ion batteries. ... And because they can be printed in any shape, other innovations are possible.

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.

Some 3D shapes, like cubes and pyramids, can be opened or unfolded along their edges to create a flat shape. The unfolded shape is called the net of the solid. Here are some 3D shapes and their nets.