“The first instrument we 3D printed was a flute. It had a few flaws, so we tweaked it a bit and then re-printed it. It’s that easy when all you have to do is make changes to a digital design,” says Swapnil Sansare of Divide by Zero Technologies, a 3D printer manufacturing firm in Navi Mumbai. “We then moved on to a ukulele, and an egg shaker, and now are working on an electric guitar.”