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.
Using Altium Designer’s excellent PCB viewer will propel your designs forward. No free PCB viewer can contend with the software that allows schematic, layout, fabrication and assembly, and access to live supplier databases all within the same software.
To successfully build your printed circuit board, your manufacturers need complete and accurate assembly instructions from you in your PCB assembly drawings.