Best if printed in dual color. You can use "Pause at Height" in Cura or your preferred slicer to change the color. Or pause manually AFTER Z=4mm has finished printing.
Print WITH supports.
Position the stand on it's side using the "Lay Flat" action in your slicer.
Attach it to the back of the heart using super glue (e.g. Loctite)
Check out http://lokspace.eu for more of my projects & designs!
And don't forget to TIP :)