How do I create eliptical IC pads for a new IC pinout in the library ? I can see someone else managed to create square pads but I can't even see how he did that. Also how do you have different pad shapes on top and underside of the board ?
In the PCB or PCB Lib Editor, Select the **Pad** tool.
Select Shape = Oval:
You cannot at present set the pads to be a different shape on different layers.
Please see the relevant sections of the Tutorial:
[https://docs.easyeda.com/en/PCBLib/PCBLib-Create/index.html](https://docs.easyeda.com/en/PCBLib/PCBLib-Create/index.html)
[https://docs.easyeda.com/en/SchematicLib/SchLib-Create/index.html](https://docs.easyeda.com/en/SchematicLib/SchLib-Create/index.html)
For details on how to create high quality, well documented PCB Footprints and Schematic Symbols please see:
[https://docs.google.com/document/d/1ZRkPPMID68mBz9j9RMIJARNSXK12PDULZXP7kiThvDg/edit?usp=sharing](https://docs.google.com/document/d/1ZRkPPMID68mBz9j9RMIJARNSXK12PDULZXP7kiThvDg/edit?usp=sharing)
Ah that's a bit fundamental isn't it ? I've always used ellipses on inner layers for DIPs and often on top as well, but need circles for good solder wave performance on the bottom layer.
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