Monday, September 03, 2007


Printing very short line segments on Tommelise

For the past several weeks I have been doing a major rebuild of the Tommelise 1.0 firmware. Heretofore, I was able to achieve fairly good accuracy (~1 mm) for printing as long as the line segments that I was trying to print exceeded about 5-10 mm in length. That enabled me to print, for example, a polymer pump as long as I didn't attempt to print the bolt holes through it.

I had designed Tommelise 2.0 before it struck me that it was pointless designing an improved model of Tommelise without achieving better positioning accuracy for the sorts of very short line segments one needs to delineate such things as bolt holes.

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