Moon Phase Purse

I’ve been going through a moon phase recently (pun absolutely intended), and thought it would be fun to make a wearable or totable that displayed the current state of the moon. There would be a bit of hardware involved, so a purse seemed like the perfect vehicle—you’re already carrying a load of other things, so there’s no harm in the addition of a small battery pack or a pile of LEDs.

I experimented with matrices of LEDs turning off and on in the right places to show the current phase, but it didn’t have the precision I wanted—you could still see the individual pixels. What I realized would work, though, was an EL panel and a mask. I also thought about a segmented EL panel, but that was more complex than I wanted to deal with.

For the moon, I uploaded and ordered a custom print of the full moon from Spoonflower on a lightweight fabric. I was able to fit nine moons onto one sample-sized piece of fabric, so I had spares in case I goofed up (and I goofed up plenty of times).

For the template I ordered laser-cut black Delrin from Ponoko, and for the bag itself I chose black marine vinyl from the local fabric store. Electronics came from Adafruit and Sparkfun.

First, I used a circle cutter to make a hole in the vinyl the same size as the moon on my fabric.

I taped the moon fabric to the back of the vinyl, then carefully sewed as close to the edge as I could. It took three tries, but I finally ended up with a result I liked.

I would need a pocket to hold the moon phase templates and the EL panel against the back of the fabric moon, so I stitched another piece of vinyl to the inside. I continued the stitch all the way up the length of the vinyl as a decorative element. To form the bottom of the pocket without requiring extra stitches, I used a piece of athletic tape (not pictured).

The fabric lining of the bag required a zipper that would allow you to switch out the template, so I sewed that into a piece of fabric reminiscent of a star field.

From there it was just a matter of sewing the external zipper into the vinyl and assembling the pieces, then turning it right side out. Here are a few pictures, but I’m not going to go into all the detail of what to sew and how. Find a pattern you like and adapt it.

With everything assembled, I inserted the panel and inverter/battery pack, then stitched shut the opening left in the lining through which the clutch was turned right side out.

It worked, and looked great! The inverter made a slight whine, but closed into the bag you couldn’t hear it unless you listened in a quiet room.


3 Comments on "Moon Phase Purse"

  1. Lauren says:

    Beautiful bag! I stumbled across you site when I saw your lovely abacus bracelet on pintrest and couldn’t help but wonder what other amazing things you’ve been making : ) I’ll definitely be adding your site to my bloglovin list.
    Anyways, I was just wondering what that circle cutter you used it called and where you got it? I’ve been on the hunt of a tool like that for years and never found anything meant for fabric and leather. Thanks for sharing!
    – Lauren

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