Create a 'Soft Robot' using 3D printing and some spare hot glue sticks

When it comes to glue sticks, the extrudable adhesives have been used as a way of explaining the process of fused deposition modeling (FDM) 3D printing for years now.  Similar to how filament is fed through a heated element to be melted and placed in a custom arrangement, glue guns are...
Create a 'Soft Robot' using 3D printing and some spare hot glue sticks