Sans PC, Where Windows Meet Mackintosh.

Anne has expressed an interest in my upcoming window project. I was going to turn my attention to decorating mirrors, since windows are difficult to work on as a consequence of them being vertical and out of normal reach.
But there is one window that can be reached, and is available for decoration. My door window.

This is again more of an exercise in method, with hopefully a pleasant outcome, rather than simply decoration for it's own sake.

If this method proves successful, I can apply it to mirrors in the future.

This is a Photoshop of the intended outcome. The Mackintosh rose will probably not differ significantly in the actual instance, but the colours/colors probably will change.
There may be little differences between the mirrored instances. If anyone reading has suggestions for colours/colors, I am all ears.

1. The rose design laid out using polyester coated crepe paper tape, black 3mm wide.
2. The transparent adhesive film, non-adhesive side up.
3. The coloured/colored acetate or cellophane film, providing the stained glass effect.
4. The double-sided adhesive film, ensuring the coloured film is stuck both sides, and the design is firmly stuck to the window.

The method involves the laying of the polyester/crepe tape I have used previously, to form the design onto the non-adhesive side of transparent adhesive film, commonly called Fablon over here, and used for covering shelves and schoolbooks.
Next, the coloured/colored material, transparent acetate or cellophane, or transparent candy wrappers, is cut to fit the design outline with a small overlap, and these are placed on the adhesive side of the transparent film.
Next, double-sided adhesive transparent film is attached to the adhesive side of the now topmost transparent film, and this whole piece can now be placed in situ onto the window.
If double-sided adhesive transparent film is not available, then another piece of the single sided adhesive transparent film can be used, although with this method, the coloured/colored pieces will only be attached one side. This may allow moisture in and possibly spoil the effect.

I haven't tried any of this out yet, so it may be a load of balls, but it should work okay.

If polyester coated crepe paper tape or a similar substitute is not available, one can try using a laser printed transparency and carefully placing the coloured/colored material in place before applying the transparent adhesive film to stick them together.
This would require double-sided adhesive film to attach it to the window I think, and would be extremely fiddly. However, if you wish to attempt using a transparency, the pastiche below is provided should you wish to use it. I have made it a circle for circularity.

If a two colour/color version of the above is preferred, leave a comment to that effect, and I'll post it in further updates as this project evolves.