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PCB DESIGNING AND MANUFACTURING

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Lesson 37 of 36
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DIMENSIONING

18/10/2021

Now that the parts are placed, we’re starting to get a better idea of how the board will look. Now we just need to fix our dimension outline. You can either move the dimensions lines that are already there, or just start from scratch. Use the DELETE tool —  — to erase all four of the dimension lines.

Then use the WIRE tool — ( — to draw a new outline. Before you draw anything though, go up to the options bar and set the layer to 20 Dimension. Also up there, you may want to turn down the width a bit (we usually set it to 0.008″).

Dimension options selected

Then, starting at the origin, draw a box around your parts. Don’t intersect the dimension layer with any holes, or they’ll be cut off! Make sure you end where you started.

Drawing the dimension layer

That’s a fine start. With the parts laid out, and the dimension adjusted, we’re ready to start routing some copper!