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Crank handle for Vex robotics and automata. NOTE: updated hardier version https://www.printables.com/model/1363457-sturdy-high-torque-crank-handle-for-pltw-automata

We have broken most of our Vex robotics crank handles, likely because of the torque the students frequently apply to them. This handle has a loose rotator that allows for high-speed cranking, and it's a slightly larger piece. It was…

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Printables

Sturdy high-torque crank handle for PLTW automata and Vex robotics

I reworked my earlier crank handle when I found that the students were still breaking the barrel off the stem (the Teenager Test). This one is best printed with three vertical shells, with the parts in the orientation I have shown in the…

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Printables

Truss for PLTW Principles of Engineering that can withstand >1000lbf

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Printables

PLTW Sliding Puzzle!

This sliding puzzle can be opened to reset the picture, and can be printed with either a dual or single extruder. Absolutely no supports are needed for this design, and there are only three prints total, one for the parts, and two for the…

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Printables

PLTW DISK

Made for a 4in automata rotating gear

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