3D printing is pre-modeling and then printing out the finished product, and the logic of 4D printing is to embed the product design into the deformable smart material through the printer. Under certain time or activation conditions, without human intervention or power supply, you can follow Pre-designed for self-assembly.

This technology can be used to make panel furniture, boats, and even emergency shelters that can be folded automatically. These products can be transported flat to save space and can be folded (automatically) at specific times or activation conditions