Yes, there are guides to help with the printing and assembling processes for the Taproom, and there will be a guide for the Tavern and Inn by the time it gets released.
To access them, open the entry for the new Welcome Pack 3.0 on your My Loots page, and scroll down past the download options, to reach the Extra Content section for the bundle, and you’ll see the PDF guides and the YouTube video with all the instructions.
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