Here are some window decorations based on Thing:131110 hidden heart pendant. The holes have been made smaller and now there is an option to make the pendant fully pierced or with the holes hidden by a layer of plastic.
Five different patterns are supplied in both pierced and concealed forms. They are a heart, a triple rosette, a devil-angel, a geranium leaf and a cat. The OpenSCAD code is available.
The product is designed by
pmoews