There seems to be an issue downloading the module. Unfortunately you cannot select another version. Since it is Siemens supported, maybe you can contact them via email 3dviewer_mendix_wc.sisw@siemens.com
I have the same issue. Did you reach out to Siemens?
In the meantime, you can work around it by downloading the module package from marketplace.mendix.com, and then manually importing it into your app