Laser galvanometer image distortion correction : SLA and engraving

This website is developed to streamline the correction of SLA image projection.

About

Our solution utilizes user submitted photos of test run on the distorted machine and then corrects the gcode locations to account of the machines distortion. This process uses a data driven approach to create universal corrections. This process allows our solution to yeild better results than existing global corrections or complex imaging/correction solutions. All you need is a computer, a camera (phone camera works!), a printer, and the machine.

This website is broken up into several pages in order to help users go through the steps needed to implement this solution. Most of the pages have links to the other page, but you can also navigate using the sidebar.

We are happy to answer any questions you may have about this solution and would love to hear your feedback. Please go to the Questions page (see the sidebar) if you would like to send us a message.

General Pipeline

Example

The above figure shows the overall impact of the universal software laser galvanometer correction on a SLA or laser engraving machine.

The figure is a before and after of our solution being used on an SLA machine. On the top you can see the intended printed locations posted in blue and the laser nodes printed in red. The extraction of the printed circles on the edges are shown in green. From left (before) to right (after) the solution gets more accurate and it is easier to see the change in the contour plot. Even the locations with the most sever distortion were corrected accurately(see the pull out sections).