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Commit 75f80fce authored by Mitalee Parikh's avatar Mitalee Parikh
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update pictures

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......@@ -29,19 +29,21 @@ An in-system programmer is basically a...
##### Create toolpaths
First step is to download the design files for the traces and the outline of FabTinyISP from [Brian's documentation page](http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/index.html#check).
The traces are the thin pipelines that connect the footprints of components.
![](http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/fts_mini_traces.png)
<img src="http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/fts_mini_traces.png" alt="traces" width="200"/>
<img src="http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/fts_mini_traces.png" alt="traces" width="400"/>
The outline is the outer boundary to be cut. Sometimes it also includes through-holes to be made in the PCBs.
![](http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/fts_mini_cut.png)
<img src="http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/fts_mini_cut.png" alt="outlines" width="400"/>
It is important to note that both these images are at 1000 dpi resolution in png format.
Next, these png images need to be converted to tool-paths for CNC machines to follow. [Fabmodules](http://fabmodules.org/) and [Mods](http://mods.cba.mit.edu/) both, developed by the Fab community can be used to make the tool-paths. They run in the browser.
I first use Mods.
![mods.traces](./images/ep/mods.traces.jpg)
![mods.outline](./images/ep/mods.outlines.jpg)
<img src="./images/ep/mods.traces.jpg" alt="traces" width="400"/>
<img src="./images/ep/mods.outlines.jpg" alt="outlines" width="400"/>
But it shows me unclear toolpaths with default settings, for both the traces and the outlines. With random dots being detected arounf the traces.
![mods.traces](./images/ep/mods.traces.error.jpg)
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