Not 3D, but Stamen (a data visualization and cartography studio) made a beautiful watercolor map renderer: https://maps.stamen.com/watercolor/#14/52.3718/4.895

Not 3D, but Stamen (a data visualization and cartography studio) made a beautiful watercolor map renderer: https://maps.stamen.com/watercolor/#14/52.3718/4.8958 https://maps.stamen.com/watercolor/#14/52.3718/4.8958