Thanks - that worked.
Re the holes: Simply use fritzings Hole part, place them where desired.
Can get the placement position several ways:
• Physical measurement
• Use Fritzing’s Cursor position info (GUI panel lower right side, bottom)
• Drop onto the PCB the ‘Ruler Part’. Can rotate the ruler and can put in on the PCB panel, too.
Image shows the SVG on top of UNO Part (offset to show the shapes more clearly)