Uploaded March 2022 | Updated September 2026, 2 hours ago

---

First attempt with zinc alloy challenge coin from alibaba on the em-smart one 20w raycus fiber laser

further plating will improve the quality slightly but good for a first play

3plasers have kindly offered a discount to viewers of my videos
Either click this link https://3plasers.com?discount=Richard

Or visit 3plasers.com and enter the discount code Richard at the checkout