open-top chassis tub 3d model

A 3D printable, completely open-top main base chassis tub for a miniature desktop robot. Minimalist sci-fi retro-futurism aesthetic with clean panel lines, crisp chamfered corners, and a stable flat bottom optimized for FDM 3D printing without supports. The model is a single watertight shell with a uniform wall thickness of 2.5mm, where the entire top roof is completely open and missing, creating an empty, hollow assembly bucket. Color and Material Specifications: The outer three sides of the chassis feature a matte arctic-white finish. The front-facing panel features a flush, high-gloss obsidian-black tech-plate design. Recessed accent channels on the side panels are colored in vibrant matte neon-orange and tech-cyan. All internal surfaces remain a raw, uncolored dark gray primer. A simple, minimalist, solid-color 3D printable open-top enclosure box base tub for a miniature desktop gadget, optimized for FDM 3D printing without supports. The model must be a single watertight manifold