<iframe width="580" height="385" src="https://www.youtube.com/embed/1qppzOGHCnU" frameborder="0" allowfullscreen></iframe> <br>Laser Pecker 2: https://bit.ly/2JHs4t0 I've made some tests with a "5W" laser engraver over different materials. I hope this will ... <br><a href="https://www.youtube.com/watch?v=1qppzOGHCnU">source</a>
