Daily Chinese Idiom Guessing Game
To be exactly the same; to follow the same pattern.
辙车轮碾轧的痕迹∶象出自同一个车辙。比喻两件事情非常相似。
宋·洪迈《容斋随笔》卷十一此四人之过，如出一辙。”
The two paintings are from the same artist, as they exhibit the same style and are like from one rut.