Hi @caiocco,
that sounds like an interesting project, I really don’t know if it will work though.
Yes that is possible, all you need to do is to use the appropriate base version (Eclipse 2021-03 for KNIME AP 4.6) and add the update site https://update.knime.com/analytics-platform/4.6/ in the install software dialog. Then you can install the AP features into the Eclipse you started.
To build your own AP follow the instructions here:
If you need any more pointers, let me know
best,
Gabriel