A few questions...
How many total materials does you app create after, say, 5 minutes? Are you reusing materials? What are the settings on the materials used for smooth and precision? How big are the images you apply on the materials?
A few questions...
How many total materials does you app create after, say, 5 minutes? Are you reusing materials? What are the settings on the materials used for smooth and precision? How big are the images you apply on the materials?