About this 3D model

Last time, I made door hangers twice.Do not disturb 1: https://www.myminifactory.com/object/18363Do not disturb 2: https://www.myminifactory.com/object/18364These models delivered the message with letters.This time, I tried to design a new model only using a picture.In my case, I cannot print out big thing than 15cm. :(When you print out this model, consider bigger model than original one.