Not always - many paintings were probably made with fingers using a very advanced technique (shading), see for example, the bear [0]. [0] https://www.smithsoni

Not always - many paintings were probably made with fingers using a very advanced technique (shading), see for example, the bear [0]. [0] https://www.smithsonianmag.com/history/fate-of-the-cave-bear-69538895/ https://www.smithsonianmag.com/history/fate-of-the-cave-bear...