Create rubouts

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Create rub outs


Sometimes you want a whole area without copper.

This is true for traces and pads that are connected to high voltages.

Here you could use Rub-outs.



You may select different forms for the rub-out.

After selection you will see the next dialog box.



Here you select the milling tool you want to use, a smaller tool

gives better results but generates more vectors, so you may have

to experiment a bit here with different tool sizes.


Now select horizontal or vertical depending on the trace pattern. Because rub-out generates a lot of traces, it's best to select the direction in which the most traces are running. You can imagine that, if a lot of traces run horizontal and you select vertical rub-out, you get much more vectors then if you select horizontal rub-out.

Now place the mouse in the center of the area you would rub-out.

hold the left mouse down and move the mouse, on release your rub-out is created


Take is a closer look at the rub-out

please note that you should first do the normal milling of the board and then the rub-outs




On this next picture you see the result of a rubout on a board that has no milling yet.


Because Isocam expects that you have done the milling generation before, it does not bother to smoothen the edges.

Important: Always perform the milling of the board first, then do rub-outs.