Could someone make this:

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When you HOLD left click for 2.6 seconds, the MODEL turns into a smaller model (about the size of 4x4, the block I want this to happen to is 16x16 and download the block and implement the script in there), making it from 16x16 to 4x4, and you can pick the item up and it goes into your tool.

If anybody can do this, you deserve many thanks, reputations, and credit for scripts, as that will be my base script.

Thanks in advance!