One of the hardest things to do is line up your project when you have an odd shaped piece of material that you are trying to engrave on. I solved that problem by creating a lightburn camera mount for the Ortur Version 1. Some ask why do I need a camera?
The Camera allows you to see your work space and where that odd shaped piece of wood is within the work space. Therefore you can superimpose your image design over top of what the camera is seeing. So when you hit fire on your laser you know that your design will be in the perfect spot on your material.