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Build a Polar 3-D Printer from Legos

Step 6Make the R axis actuator aka spin out with a turntable

Make the R axis actuator aka spin out with a turntable
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The R axis actuator rotates the extrusion surface like a turntable.

You also need to cut some transparency sheet to the shape of the extrusion table. If the transparency sheet is that inkjet printer/ laser printer stuff, rinse the inkjet printer side off. Then tape it to the extrusion table with the inkjet printer side down

Again, if you have any questions ask me.
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Author:Gene Hacker