Limitations in Fancade scripting
Number of created blocks
The limit of blocks that you can create with the script create object on play is 4096 blocks.
The script limit is not well defined and can change depending of how many wires there are, the size of the scripts, along others things.
For more information on this limit read: Is there a limit for scripts?
The limit is 8 connections per output.
A wire split refers to connecting the same wire from an output into 2 or more input ports.
Size of a block
The max size a single object can have is 4x4x4 blocks or 32x32x32 voxels.