Thursday, December 29, 2016

13. X, Y and a pen

It starts to look like what it is meant to be: a 2D plotter.

I just need to add a pen, which is achieved with nice linear shafts on the vertical axis. Yet no command to lift the pen at this time: it draws a continuous line for now.


It allows to make a simple test to check how precisely it closes a rectangle or write over the same lines several times. Here it is in motion:


Precision-wise, I'm not so happy: around 2 mm while I was targeting around 0.5 mm. I still have a bit of a way.

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