Been playing recently with kitbashing 3D elements and then giving the rendering a painterly feeling in Photoshop with Mixer Brush, texture overlays and color correction.
All models come from Sketchfab.com:
Les Bourgeois de Calais by Maurice Svay (https://sketchfab.com/3d-models/les-bourgeois-de-calais-by-rodin-387889bbe73648c38589a3fffd1f876c)
Skull by Hunter Irving (https://sketchfab.com/3d-models/skull-7b623365419e40dabe722b5fad0697a5)
Accord final by alban (https://sketchfab.com/3d-models/accord-final-by-arman-5acdf61e8cd040f787bdfbc919c2cb4e)
Giant Squid by mvick13497 (https://sketchfab.com/3d-models/sculptjanuary-2019-day-1-giant-squid-1f97e07935bf42e3a9cf1aa02f925d7e)
The raw image was rendered in Blender 2.8 Eevee.