Expensive laser cutters have a 3D engraving mode that varies the laser power as it is etching a design, to create a 3D effect. [Benjamin Alderson] figured this could be replicated on a cheap ...

Area residents will soon have the technology to do 3D printing and laser engraving thanks to a grant awarded to the Briggs Lawrence County Public Library. Gretchen Claypool, director of the library, ...

On the other hand, the diode laser is perfect for engraving wood ... this machine can create 3D engravings that pop. This is ...