Ensuring your 4-Layer PCB Stackup is working as intended is one of many responsibilities that Altium Designer’s layer stack manager is capable of.
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.
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.
Creating component data with IC pin numbers in schematic symbols and PCB footprints is easy with the component management tools in Altium Designer.
You can prepare your design for manufacturing with PCB Cart thanks to the manufacturing and supply chain tools in Altium Designer.