Having played WoTC Star Wars Miniatures for a long time, I want to share some great work out there:
https://momirfarooq.com/swcharacter/swcharacter3d.html
has some fantastic 3D models that are scaled to WoTC, so they should be close to the correct size for the new game. I've used them often. Cardstock printing and washer-weighted bases make them work well.
http://papermau.blogspot.com.br/ - is a collection for all things papercraft. I use a lot of their designs for bot Star Wars and D&D battles. It is scale-searchable.