drillshape excludeedgelayer false gerberprecision hpglpendiameter hpglpennumber hpglpenoverlay hpglpenspeed layerselection linewidth mirror mode outputdirectory outputformat padsonsilk pcbplotparams plotframeref plotinvisibletext plotreference plotvalue psa4output pscolor psnegative scaleselection subtractmaskfromsilk true useauxorigin usegerberextensions viasonmask usegerberattributes