Hi,
I haven't seen any online but you could make your own with a bit of patience and a sharp blade...
If you're using it to cut out fondant/gumpaste details, you could just print out an image and cut out the shapes. If you want to use it as an actual stencil, you could go the DIY route: print it out on sticker paper (or just regular paper and then tape it in place), stick it onto a piece of plastic such as a tupperware lid, then use a box cutter or x-acto blade to cut out the tree. It's a painstaking process but it definitely works and allows you to customize just about any stencil you need.
I'd be really interested in hearing about alternative methods, if one of the wonderful bakers on here knows of an easier/simpler way to go about it!
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