After add the copper area in my pcb, a question came out. Why some areas where not filled?
Public project link:
[https://easyeda\.com/pangoro24/rpi\_gpio\_expansionboard](https://easyeda.com/pangoro24/rpi_gpio_expansionboard)
![ground plane question.jpg](//image.easyeda.com/pullimage/WFrg4MpW57dV4BakT0agu8bCJmEoNChNiRw13eFq.png)
Chrome
77.0.3865.120
Windows
10
EasyEDA
6.2.46