I’m developing a next-generation lunch solution for busy city professionals and want a compelling concept that keeps meals genuinely hot while still looking sleek in a co-working space. The core requirement is warmth retention: food should stay at an appetising temperature well past the commute. To achieve this, I’m leaning on high-performance insulated materials rather than active heating elements, and I’d like the primary food chambers to be stainless steel for durability and taste neutrality. At the same time, the set must feel modular and intuitive. Think stack-and-snap containers that let someone bring soup, a grain bowl, and snacks without juggling mismatched boxes. The exterior lines should follow a clean, minimal aesthetic—soft edges, muted tones, and discreet branding so the product feels more lifestyle accessory than kitchenware. I’m looking for an end-to-end concept package that covers both form and function. By the time we wrap up, I should have: • 3 initial mood-board directions, quickly sketched, showing overall look and feel • 1 refined hero concept with exploded views, dimensioned drawings, and material call-outs (stainless steel inner walls, insulating core, outer shell) • Basic thermal performance rationale or calculations demonstrating how the passive insulation could keep food warm for at least four hours in typical urban conditions • Simple user-flow storyboard illustrating how each container nests, seals, and carries I’m open to any contemporary tools—SolidWorks, Fusion 360, Sketchbook, Procreate—so long as the final files are editable. If you’ve designed drinkware, cookware, or other lifestyle hard goods that balance performance with minimal aesthetics, your portfolio will resonate. Let’s create something people will actually be proud to set on the conference table.