Props are often just as important as the costume, and that’s definitely the case if you’re cosplaying Marceline from Adventure Time. The vampire girl needs her axe bass! Cosplayer Lisa Lou wrote a detailed tutorial explaining how you can make the instrument from insulation foam. Though it’s specifically for the guitar, you can apply the techniques to other props. She used two inch foam and started by creating a diagram and cutting the pieces from the foam. Steps two and three involve smoothing and gluing:
Step 2 – Sand until smooth. The Mod Podge that you’ll be putting on the pieces won’t cover up large dents, dings, and scratches, so make sure to make the pieces as smooth as possible. Make the front of your guitar the part that doesn’t have the words on it, making painting easier later.
Step 3 – Glue the pieces together. Hot glue, super glue, or any corrosive glues will just melt the insulation foam, so be sure to use Gorilla Glue. This is the longest step, since the glue takes a long time to dry – seriously, though, once it’s dry, it holds like crazy! I glued it together before Mod Podging the pieces so that the glue could soak into the insulation foam a little bit, making it even stronger.
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