Hello jwiede,

I did contact the support and it seems that moving the application from the download folder creates an issue.

There is an article on it:

https://weblog.rogueamoeba.com/2016/06/29/sierra-and-gatekeeper-path-randomization/

Which mentions that it creates an issue with dylib files ( mac version of DLL files ), one of which B3D depends on ( it's inside the app package )

The article says that the problem will go away if the package is moved outside of the Downloads folder, but I have not personally tested it...

"Apple may not view this as an issue, given that GPR will be disabled once the user moves the application out of the Downloads folder. However, many users run applications from the Downloads folder, never moving them. This is especially common when a user is trying out an application prior to purchasing it..."

The best is to keep Blacksmith3D running from your "download folder", for the moment, i do not get much better advice. Maybe there will be an update for this in a future update.

Hope it helps,

Best regards,