Thanks - not sure how I missed that download section. With 3.3 installed I can convert the current UpperLower Body Model; but 4.3 complains when importing. I've attached the updated model UpperLowerBodySimple.zip The following Warnings/Errors were encountered while loading the model: Model 'UpperLow...

Has anyone ported the UpperLower Body Model ( https://simtk.org/projects/ulb_project ) to OpenSim 4.3? I'm getting an import error saying it should be saved with 3.3; but I can't find the 3.3 release anywhere. If anyone has 3.3 installed, could you try to update it? Model file C:\Users\Tweak\Documen...