Mechanical Design & CAD Portfolio

Selected mechanical design, machine design, sheet metal, plastic product design, conveyor and structural steel projects delivered by Guenzo Engineering. Each case study links to a dedicated page with the full engineering challenge, design approach, manufacturing considerations and deliverables.

Adjustable Welded Steel Table Frame with Wooden Top

Welded Frame / Furniture Design

Custom table frame designed as a SolidWorks weldment from rectangular steel tube legs with welded cross-bracing, adjustable leveling feet, and mounting details for a wooden tabletop.

Software: SolidWorks · Manufacturing: Steel tube cutting, welding, grinding, surface finishing, wooden tabletop assembly

Key deliverables: 3D CAD model, STEP files, Weldment structure, Tube cut information

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Pneumatic Stamping Press with Aluminum Extrusion Frame and CNC Fixture

Pneumatic Press / Production Tooling

Compact pneumatic stamping press designed from T-slot aluminum extrusion profiles, plastic side plates, a pneumatic actuator, and a CNC-machined holding fixture.

Software: SolidWorks · Manufacturing: Aluminum extrusion assembly, CNC machining, machined plastic plates, pneumatic components, mechanical assembly

Key deliverables: Full 3D CAD assembly, STEP files, Pneumatic actuator mounting layout, CNC fixture design

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Simple Welding Robot for Straight Welds

Welding Automation / Low-Cost Machine Design

Low-cost welding carriage designed for straight welds using a stepper motor drive, bearings, guide elements, and a simple mechanical support frame.

Software: SolidWorks · Manufacturing: CNC machined plates, standard bearings, stepper motor drive, mechanical assembly, fabrication workshop assembly

Key deliverables: 3D CAD model, STEP files, Mechanical assembly, Stepper motor and bearing layout

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Handheld RFID Reader Plastic Housing

Plastic Product Design / Electronics Enclosure

Handheld RFID reader housing designed around internal electronics with injection molding, ergonomics, assembly, and plastic part manufacturing in mind.

Software: SolidWorks · Manufacturing: Plastic injection molding, electronics integration, manual assembly, prototype validation

Key deliverables: 3D CAD model, STEP files, Plastic housing design, Internal electronics layout support

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Sheet Metal Shrimp Counter Machine

Sheet Metal / Food Processing Equipment

Shrimp counter machine designed mainly from metal and sheet metal components, prepared in Autodesk Inventor for fabrication, assembly, and supplier quotation.

Software: Autodesk Inventor · Manufacturing: Sheet metal cutting, bending, welding, fastening, surface finishing, mechanical assembly

Key deliverables: 3D CAD model, Autodesk Inventor assembly, Sheet metal parts, STEP files

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Retractable Dog Leash with Poop Bag Storage and Waste Container

Plastic Product Design / Injection Molding

Complete multifunctional retractable dog leash product combining a leash retraction mechanism, brake and lock, clean poop bag storage, a used-bag container, and an ergonomic injection-molded plastic housing.

Software: SolidWorks · Manufacturing: Plastic injection molding, retractable mechanism design, brake/lock integration, manual assembly, prototype validation

Key deliverables: 3D CAD model, STEP files, Full product assembly, Retractable leash mechanism design

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Custom Gravel Bag Conveyor and Hopper System

Conveyor Design / Material Handling

Custom conveyor machine designed to move gravel bags with a belt mechanism, puncture bags with spikes, and let gravel drop into a fabricated hopper.

Software: SolidWorks · Manufacturing: Sheet metal fabrication, welded frame, belt conveyor components, spike/puncture assembly, mechanical assembly

Key deliverables: 3D CAD model, STEP files, Conveyor assembly layout, Hopper design

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Structural Steel Platform for Heavy Equipment Support

Structural Steel / Equipment Platform

Structural steel access platform designed in Autodesk Inventor to support heavy equipment, with columns, beams, stairs, railings, bracing, and fabrication-ready details.

Software: Autodesk Inventor · Manufacturing: Steel profile cutting, welding, bolted assembly, surface treatment, on-site installation

Key deliverables: 3D CAD model, Autodesk Inventor assembly, STEP files, Structural steel drawings

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