Compact 3D Printer

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THIS IS A CONCEPT, NOT A FLAWLESS DEVICE
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This is a basic concept, where I used the idea of the self-repairing floor/bridge to create basic 3D models. It is basically just a self-repairing platform that has pistons underneath. As these pistons are activated, it can begin to form a model. However, this concept has many flaws. But that is where you come in! You can download the map and make modifications to it, such as a space-leaver, or some different blocks/wool. Then, post it on PMC or YouTube, giving me appropriate credits for the concept.I'm sure that some genius out there will make this into something far larger.
(Please do not replace the stone generator, speed up clock, etc. just to take out my credit)

Additional Notes

In the title, it notes that it is compact. compared to the character, it is not very compact. However, comparing it to other printers/ devices of similar concept, it is VERY compact.
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THE CONTROL PAD IS ACTUALLY INVERTED IN THE NE/SW DIRECTION! I KNOW OF THIS, AND WILL NOT TOLERATE ANY COMMENTS COMPLAINING ABOUT IT!