He started by exporting the elevation data of Portland using software called QGIS, a free opensource ... file, clean up some of the files, and you’re ready to start laser cutting.

Learn how to make a notebook cover with xTool! This laser cut tutorial includes a free download—perfect for crafting unique, ...

Both tools are available for free to hobbyists ... The re-sized file is then exported as a PDF. [Juan’s] trick is to actually cut two pieces of 7mil Mylar at the same time. The laser must ...