X Y Z File for use in lessons

This is a simple 3D model of an X Y Z model that can be used in lesson when teaching children/teenages about 3D printing. This helps demonstrate the concept of how a 3D printer moves in relation to X Y and Z co-ordinates that are created from a G code of an STL file. Which in turn are created from a 3D model that is created in a 3D workspace using X Y and Z co-ordinates. This is an example of the free STL files that come with the lesson resources from [learnbylayers](http://www.learnbylayers.co…

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