The 3DConnexion SpacePilot USB Logitech is a used product (2005) and his driver is v10.4.10. Today the 3DConnexion version is v10.4.12 but don't work with my SpacePilot I tested it without problem with : Sketchup17 Blender, AutoCAD, Maya, Siemens NX, Photoshop mapquest , Pro ENGINEER, SoftImage XSI...

I'm not a professional, but I know that I will be happy to try your HVAC addons when I will plan my HVAC system in my house! I hope for you more people will show interest. Hi Johnny wordle , Are you up for a bit of beta testing for me? Use the contact form on my website. SteveN Might be worth check...