MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
Look at vision-dimension: http://www.vd-shop.de/fisheye-und-weitwinkel-m12-miniobjektive-c-193_201_257.html
These guys have a lot of M12 lenses. I bought these fish eye lens years before to build my own 50" Multitouch-Round-Table.