For the opera "Hänsel und Gretel" (by Engelbert Humperdinck) the costume designer wanted to have Gretel a handbag in the shape of an IKEA rat, so I made one...
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Step 1: Taking apart and taking notes
As in so many other hacks, taking apart carefully is crucial for this piece of work. As well as taking notes and numbering the parts, so you can assemble them at the end in the reverse order.