[Dan Royer] explains a simple method to engrave/etch on both sides of a material ... You begin by taping down your work piece on the laser bed. Draw a symmetrical shape around the job you want ...

[Brain] wanted to mark some scissors with his Ortur laser engraver ... You can buy a commercial marking solution called CerMark Black, but you probably already have mustard.

Yes, a pen. It's one of many special Ferrari models created under the Tailor Made customization program, and it introduces a ...