To print out PDF plans set Scaling to "None" paper size to A4. Printer test page.
To print out VeeCad PCB layouts, download and run VeeCad Freeware, and then open then print supplied ".per. " files.
DesignSpark circuits are provided as PDF files, and also as
".sch" files. DesignSpark Freeware is required to open and modify these.
The ".per" & ".sch" files are contained within "zip" files. These can be extracted and opened with Winzip. If you don't have this program, download and use 7zip Freeware.