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Build a Polar 3-D Printer from Legos

Step 4Build R-Z module 1 aka move in and out thingie

Build R-Z module 1 aka move in and out thingie

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R-Z module 1 moves the extrusion head along the R axis and allows for movement along the Z axis. Basically it just moves the extrusion head in and out. If you have any questions please ask me.

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Author:Gene Hacker