Smart Prototype Housing Design

I need a seasoned engineer / industrial designer to translate my rough concept for a connected device into a fully-engineered plastic enclosure. The job centres on delivering a print-ready 3D model in STEP format that cleanly accommodates three off-the-shelf parts: weight sensors, a small LED array and a rechargeable battery pack.

What has to happen
• Layout the interior so each component seats firmly, with cable paths and strain relief designed in.
• Keep external lines sleek and user-friendly; the finish must look consumer-ready, not just functional.
• Recommend the most suitable plastic (and any inserts or gaskets) for strength, heat management and ease of manufacture, and flag any critical tolerances.
• Document simple, repeatable assembly steps—screws vs. snap-fits, suggested fastening torque, wiring order, etc.—so a small team can build the prototype without guesswork.

Deliverables
1. Parametric 3D files in STEP (.stp) ready for rapid prototyping or injection-moulding quotations.
2. A short assembly guide with exploded views or annotated screenshots.
3. A quick bill of materials listing hardware, adhesives or finishing details you recommend.

When you reply, please outline:
• Your relevant projects or portfolio links showing similar sensor-based enclosures.
• An estimated timeline from kickoff to final files.
• Your fee structure or milestone breakdown.

I’ll be available for daily check-ins and can supply exact dimensions, datasheets and photos of all electronics the moment we start. Looking forward to collaborating on a smart, tight-tolerance build.