3D printers build models in layers, which you can see if you look at a model closely. If you want a smoother, shinier surface, you can achieve injection mold-like quality with a little acetone.

Many high-quality parts produced on 3D printers can be sanded by hand to eliminate layer lines and produce a smooth finish. There’s a misconception that 3D printing cannot make the kind of smooth and ...

Sculpteo, the Paris-based company that does cloud-based 3D printing for consumers and companies like Staples, has launched a process that results in more finished-looking objects. Called the ...