If you’re starting from scratch, look for these specific creators: TygerPurr:
Many professional map makers (like Crosshead, Tom Cartos, and Inkarnate) offer Dungeondraft exports for their patrons. However, they almost always offer a free "sample pack" to lure you in. These sample packs are often 50-100 high-quality assets. dungeondraft asset packs free
Just because they are free doesn't mean they are "Public Domain." Most of these creators ask that you repost their files or use them in commercial products you sell. Respect the artists so they keep making free stuff for us! If you’re starting from scratch, look for these