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In your career as a designer you will design many oddly sized and shaped boards including circular PCBs. You need the power of Altium Designer for these jobs.
Copper shorts can be identified with testing. Make sure you define test requirements in your PCB design software.
FR4 is by far the most popular set of PCB substrate materials. Here is how FR4 dielectric constant and your material properties will affect your next PCB.
Once you know how to build a circuit board, you can put your knowledge into practice with Altium Designer.
Lead-Free RoHS compliance in your circuit boards is a necessary factor to consider and PCB design software should be aware.