I have just tried opening PCBv1.00 in:
and could not see any ratlines.
Have you solved the problem or could this be an issue with different browsers rendering in different ways?
BTW, I noticed you had done the copper floods using many overlapping drawn areas. You can do that much faster by using:
to draw an overall copper area and then you can make cutouts in the copper like this:
You can use this method to make slots in the PCB itself too:
https://easyeda.com/bbs_view_1300.htm
Hi,
Thanks for your open projects. So we can check them and give a help.
In you `Vehicle Sensor v1.01` PCB, I can't find any bad Ratlines , this PCB is Cool, hope you like to order a PCB from Us.

In your other PCB,

You may make two small mistake in this PCB
1. You would better use Copper area to build a Gnd copper. Not Solid Regin. Check andy's comment above.
2. you would better add a track to connect the via, or the pad can't connect the bottom area.
this is my demo, check it out
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