This works in RealBand also
vst3shell_v1.2.1.zip
vst3shell_beta.zip
You can download from the source site but only use the 3 files with "x64"
https://www.xlutop.com/buzz/zip/
Extract the folder to anywhere outside of your VST2 folder.
Add vsti3shell.x64.dll to your VSTi list.
Add vst3shell.x64.dll to your VSTFX list.

When you choose them you will get a list of your vst3's, pick one from the list.