It's a bit like the joke about Unix airlines; you bring the toolbox to the airstrip, build the plane exactly how you'd like it, then fly it wherever you want to go....

The cubic splines, cubic Bezier tracks, footprints and other features made it into the pcb-rnd layout and thence to gerber thanks to custom export module code written for FidoCadJ... and the stroked font used on the PCBs is the Hershey Sans Stroke font, faithfully ported from EggBot font description files with custom code a while back...

Next up... populating the boards...