3D Print/CAD Design for a birthday present for my wife

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Hi! I'm looking to create a prototype for a product that my wife has been dreaming about for years—the Coffee Cube. It's meant to be a cube-shaped coffee mug that can safely be used in bed—something that won't easily spill if it's knocked over by a kid or a pet—and that keeps coffee hot for a long time. Ideally, the final product should look great, feel solid in the hand, and be functionally impressive—but it also needs to be SAFE to use with coffee! Core Goals No-spill design – If this thing gets knocked over in bed, I don’t want it to leak all over the sheets. Heat retention – The mug should keep coffee hot for a long stretch, ideally with insulation comparable to a Yeti or Thermos. Cube shape – The outer form should be a true cube. The inside can be cylindrical or tapered for comfort/usability, but from the outside it should look like a clean, geometric cube. Details & Features Capacity: Should hold around 12–16 oz of coffee Lid: Needs to be spill-resistant and easy to sip from. Ideally a magnetic, twist-lock, or flip-seal mechanism. But I don't really know, I'm not an engineer in the slightest! Base: Should be stable and slip-resistant—rubber bottom or slightly weighted base preferred. but again, I'm open. Materials: Food-safe interior (this is KEY), ideally vacuum-insulated stainless steel or similar. Exterior could be metal or ceramic—open to suggestions. Grip: Curious how this can be comfortable to pick up and sip from. Inset grip or textured sides might help. But who knows... I doubt this is a product idea she'd run with to actually monetize (she dreams of it, but that's not really her). Really, this is just a birthday present for her!

Keyword: Design interiores

3D Design Food & Beverage 3D Modeling Autodesk AutoCAD