Create DimTable from different tables

Hi guys,

How do I create a dimtable from columns of different tables?

So for example my Dimtable would exist Dimcolumn1, Dimcolumn 2, Dimcolumn3. All three columns from three different tables.

Does someone knows how I do it with dax or power query.

I want to use this dimtable for filtering.

Regards,

Poweringbi123