Thank for the help, just one more question: how would I draw the circles for the holes and the knob placement like on the guide? I can draw circles in Inkscape but they aren't hollow and I cannot set the diameter of them manually.
I have recently found a good guide on how to design a PDF for Tayda UV printing(link), but the guide does not specify how to actually create the base template. I have imported the drilling template from Tayda's page, but I'm not sure on how to actually create the knobs and the labels in...