Inside a Composite Panel
Fibers and matrix within a layered composite panel.
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Engineering Concepts Illustrated
Explore 50 detailed illustrations of real engineering systems, devices and equipment, including building services, machines, manufacturing, water treatment, energy, electronics and robotics.
Public thumbnails · Full-size access with All-Access. View pass options
Structures, Materials & Infrastructure
Building cutaways, foundations, load paths, composites and accessible entrances.
How a Shelf Transfers Load
Books, shelf brackets, fasteners and wall structure along a conceptual load path.
View drawing →Infrastructure That Connects a Community
Bridge, roads, drainage, water supply and buildings in a connected neighborhood.
View drawing →A Building Meets the Ground
Building loads passing through foundations into supporting soil layers.
View drawing →Inside a Bridge Foundation
Bridge deck, pier, footing and supporting ground shown in section.
View drawing →Designing an Accessible Entrance
Entrance ramp, steps, handrails and access routes around a building.
View drawing →Systems Inside a Building
Building cutaway showing structure, ventilation, lighting, water and fire-protection services.
View drawing →Machines, Mechanisms & Components
Bicycle drives, levers, bearings, repairable assemblies, materials and wear.
One Bicycle, Many Materials
Bicycle components and the different materials used in the frame, tires and controls.
View drawing →Levers and Gears at Work
A door-handle lever and a bicycle chain-and-sprocket transmission.
View drawing →Mechanisms at Work
Physical lever, gear, pulley and bearing arrangements with motion and load directions.
View drawing →Inside a Bicycle Gear System
Chain, chainring, sprockets and crank connecting pedaling to the rear wheel.
View drawing →From Parts to a Bicycle Bell
Exploded bell assembly with cover, lever, spring, striker and fasteners.
View drawing →Layers in a Bicycle Helmet
Helmet shell, energy-absorbing liner, straps and fit-adjustment components.
View drawing →A Repairable Small Appliance
Exploded small-appliance assembly showing housing, motor, fan, fasteners and replaceable parts.
View drawing →How Components Wear
Bearing wear, corrosion and cracking illustrated on recognizable components.
View drawing →Inside a Rolling Bearing
Bearing cutaway and exploded arrangement of races, rolling elements and cage.
View drawing →Energy, Electricity & Thermal Systems
Electrical components, grid equipment, battery storage, refrigeration, ventilation and solar lighting.
How an Insulated Cup Helps
Insulated vessel walls and heat-transfer paths around a hot drink.
View drawing →A Refrigerator Moves Heat
Refrigerator cutaway showing heat absorption, condenser heat rejection and compressor location.
View drawing →Inside a Flashlight
Batteries, switch, contacts and lamp alongside a simplified electrical path.
View drawing →Inside an Electrical Wire
Conducting metal core and protective insulation shown in a wire cutaway.
View drawing →Inside a Simple Switch
Open and closed low-voltage switch contacts, actuator and insulating case.
View drawing →Electricity From Source to Home
Generation, transformers, transmission and distribution connected to a home.
View drawing →Inside a Grid Battery System
Battery modules, power electronics, controller and grid connection in alternative arrangements.
View drawing →Inside a Building Ventilation System
Outdoor intake, filter, fan, ductwork and a room supply outlet.
View drawing →Inside a Solar Garden Light
Solar panel, rechargeable battery, controller, sensors and LED light source.
View drawing →Water & Fluid Systems
Storage, pumping, filtration, drinking-water treatment and wastewater equipment.
From Water Tower to Faucet
Elevated water storage connected through underground distribution pipes to a home.
View drawing →A Simple Fluid System
Tank, pump, pipe, control valve and outlet connected in a fluid system.
View drawing →A Simplified Water-Treatment Journey
Screening, settling, filtration, disinfection and storage in a conceptual treatment train.
View drawing →Inside a Water Filter
Filter housing, inlet, outlet and internal treatment media along the water path.
View drawing →Wastewater Treatment
Collection, solids removal, biological treatment and a monitored outlet.
View drawing →Inside a Water Treatment Plant
Plant equipment, filtration details, storage and distribution connections.
View drawing →Manufacturing & Process Equipment
Production lines, forming processes, molds, mixing tanks and food processing.
From Ingredients to Product
Ingredients, mixing, heating or treatment, quality checks and finished products.
View drawing →Ways to Make a Part
Casting, molding, machining and layered additive manufacturing equipment.
View drawing →Inside a Plastic Injection Mold
Mold halves, cavity, material inlet and a finished molded component.
View drawing →Yogurt Production
Process vessels and equipment for heating, cooling, culturing and packaging.
View drawing →Inside a Mixing Tank
Motor-driven agitator, tank, inlet, outlet and internal mixing flow.
View drawing →Sensors, Controls & Robotics
Thermostats, machine guarding, traffic signals, conveyors, actuators and measuring devices.
Inside a Robot Car
Mobile robot cutaway showing sensors, controller, battery power source, motors and wheels.
View drawing →Inside a Room Thermostat
Temperature sensor, controller, display, power connection and control output.
View drawing →Safety Features of a Guarded Machine
Machine guard, emergency-stop control and maintenance-access arrangements.
View drawing →Inside a Prosthetic Hand
Fingers, joints, linkage, actuator and control connections in a conceptual prosthetic hand.
View drawing →Inside a Traffic Signal
Signal lamps, pedestrian button and controller cabinet with power and signal connections.
View drawing →Inside a Conveyor Workstation
Conveyor, sensor, work area and material movement through a production workstation.
View drawing →Inside a Robotic Gripper
Motor, gearing, linkage, fingers and position sensor within a gripper assembly.
View drawing →Inside a Digital Kitchen Scale
Load sensor, platform, electronics, display and power source in a measuring device.
View drawing →Inside an Autonomous Delivery Robot
Sensors, communications, controller, battery, motors and wheels in a mobile robot.
View drawing →Irrigation System Parts
Soil-moisture sensor, controller, valve, water supply and irrigation line.
View drawing →Electronics & Communications
Smart doorbells, laptop internals, wireless routers and mobile communication links.
Smart Doorbell Exploded View
Doorbell enclosure, camera, microphone, button, circuit board and power connection.
View drawing →Inside a Laptop Computer
Laptop screen, keyboard, mainboard, storage, battery and cooling fan.
View drawing →A Mobile Phone Call
Phones, radio tower and network equipment along a simplified communication path.
View drawing →Inside a Wireless Router
Antennas, radio chips, processor, power connection and network ports.
View drawing →What the illustrations show
These selected cutaways, exploded assemblies and connected-system drawings show physical parts, how they fit together and the paths followed by energy, water, signals and loads. The selection emphasizes recognizable hardware and detailed system relationships.
Browse building foundations and services, materials, machine components, electrical and battery equipment, pumps and treatment plants, manufacturing processes, sensors and controls, robotic devices, computers and communication equipment.
How to read the drawings
Choose a subject, then open a drawing for its description and full-size viewer. Thumbnails show the composition; use the unlocked image to inspect labels and fine lines. Full-size drawings preserve the original detail so you can inspect labels and fine lines.
Frequently asked questions
What is included in the Engineering Concepts Illustrated collection?
Labeled reference illustrations. Browse building foundations and services, materials, machine components, electrical and battery equipment, pumps and treatment plants, manufacturing processes, sensors and controls, robotic devices, computers and communication equipment.
Are full-size illustrations free?
Thumbnails are free to browse. Your All-Access Pass unlocks the full-size drawings.
Can I view the drawings on a phone?
Yes. The gallery is designed for desktop computers, phones and tablets.
Can these drawings be used as construction documents?
No. These are educational reference illustrations, not construction documents or verified project designs. Confirm calculations, dimensions, member selections and code requirements with an appropriately qualified professional before real work.
Educational reference only. Illustrations are conceptual and may simplify real construction. They do not certify calculations or replace project documents, applicable standards or professional review.