Glass Blocks
One of the ideas I had was to create a glass block with fairy lights inside. I found a cute SVG and made one for my boss for Christmas. I cut the permanent vinyl using my Cricut and attached to a glass block I bought from Michaels Craft Store. It has an opening on the bottom to insert fairy lights. Amazon to the rescue for the fairy light win.
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It turned even better than I imagined. I was kinda sad to have to gift it away. Luckily I know I can make myself another.