I want to make a plane for my supply on my PCB and a plane for my MCU to isolate the MCU from the power supply noise.

I found this article in Altium designer resource:

But it isn't clear how the split plane tool work. Can someone explain it in a different manner?


This is a picture how I see the planes: enter image description here

  • \$\begingroup\$ Which particular task did you have trouble with? \$\endgroup\$
    – The Photon
    Commented Jul 6, 2015 at 19:13
  • \$\begingroup\$ Defining the region, I can't properly set the internal plane. \$\endgroup\$
    – MathieuL
    Commented Jul 6, 2015 at 19:16
  • \$\begingroup\$ easy.. just draw a closed shape and double click it to tie a net \$\endgroup\$
    – hassan789
    Commented Jul 6, 2015 at 19:20
  • \$\begingroup\$ With the polygon pour tool? \$\endgroup\$
    – MathieuL
    Commented Jul 6, 2015 at 19:24
  • \$\begingroup\$ Yes, with the polygon pour tool I think it is possible. \$\endgroup\$ Commented Jul 7, 2015 at 13:59

1 Answer 1


Click on Place Polygon Plane ( enter image description here ). On the dialog, in the Net Options select the specific net to which your component is connected.

enter image description here

Then draw the desired shape for your polygon(s).

enter image description here


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