It's a first arttoy by PRINPLA.
His shape is Rough, but his heart is soft like icecream.
He is always make us happy.
Because he has a hole in his top,
You can connect chain to it.
There are 2 parts in this set.
One is the standing pose, and the other is hurray pose.
https://prinpla.wordpress.com/2015/08/12/mr-rough-happy-arttoy/
If you have a 3D print and want to make your lithophane, download PICtart (Android App).
https://play.google.com/store/apps/details?id=com.prinpla.eggtart (commercial version)
https://play.google.com/store/apps/details?id=com.prinpla.eggtartfree (free version)