Make a web tool that lets users design custom cases for multi-device combos. Target accessory makers.
Multi-device bundles create new case design challenges that existing tools don't address.
Phone case designers struggle with precise modeling for devices meant to be used together.
Build a browser-based editor with 3D previews of combined devices, with measurements export. Earn through affiliate links to case printers.
Launch with iPhone Duo templates first. Risk is narrow hardware focus.
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