The xTool S1 40W is the most impressive and safest laser I’ve reviewed so far. It can cut wood up to 20mm thick and engrave at 36,000mm/minute or 600mm/s. And the laser module can move up and down on a motorised z-axis, which combined with its built-in touch probe provides auto-focus and a few other clever tricks. Its integrated enclosure can only operate with the lid closed … [Read more...]