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3D Printer

NOT A PUZZLE

A massive, programmable, fully functional 4-unit-resolution extrusion-type-analogue 3D printer! It works by depositing 4x4x4 "drops" which weld themselves together when brought adjacent to each other. In order to use, write a program on the "punch tape", start the simulation, wait until a couple drops have been manufactured, then pull the lever at the base of the tape where it interfaces with the machine.

How to write a program: A "key" is present at the front end of the tape and on a floating platform midway along it. The conveyors stand for moving the print head in their respective directions, the platforms stands for depositing a droplet, and the rotator stands for the delay instruction. Put exactly one instruction in each vertical column. If you need to put two of the instructions in a row, they *must* be separated by a delay instruction, or else the tape will freeze or break in some other way.

Example use: http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=495235061
More detailed Imgur explanation: http://imgur.com/a/Diy8U