I watched the linked in video: https://videos.files.wordpress.com/gD3kAWlO/autoprober-demo.mp4 https://videos.files.wordpress.com/gD3kAWlO/autoprober-demo....

I watched the linked in video: https://videos.files.wordpress.com/gD3kAWlO/autoprober-demo.mp4 https://videos.files.wordpress.com/gD3kAWlO/autoprober-demo.... But I am not sure what do I see there? Is that some 3D printing?