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The OpenArc Models library

All 400 models

Every interactive 3D model on OpenArc Models, by subject.

Cells & molecules

Animal cell (cutaway)Antibody (IgG)ATP synthase Bacterial cell Bacterial flagellar motor Bacteriophage T4 Cell membrane Cell nucleus Chloroplast Chromosome packaging Clathrin-mediated endocytosis CRISPR–Cas9 DNA double helix DNA replication fork Endoplasmic reticulum Enzyme catalysis Epithelial cell junctions Golgi apparatus Haemoglobin HIV-1 virion Influenza A virus Kinesin motor Meiosis Mitochondrion Mitosis Motile cilium and axoneme Plant cell Ribosome Sarcomere SARS-CoV-2 virion Sodium–potassium pump T-cell activation The lac operon Transcription by RNA polymerase II

Human body

Alveoli & gas exchange Artery and vein walls Bone & osteon Chemical synapse Circulatory system Digestive system Ear and cochlea Endocrine system Female reproductive system Foot skeleton and arches Hand and wrist bones Hip joint Human brain Human eye Human heart Human skeleton Intestinal villi Kidney Knee joint Larynx Liver Liver lobule Lungs and airway Lymph node Male reproductive system Nephron Neuron and synapse Olfaction and the nasal cavity Pancreatic islet Placenta and fetus Red blood cells Shoulder joint Skeletal muscle Skin Skull Spinal cord and reflex arc Stomach Thyroid gland Tongue and taste buds Tooth (molar)Vertebral column

Chemistry

3D periodic table Acid–base equilibrium Acid–base titration Atomic orbitals ATP and its hydrolysis Benzene & aromaticity Caffeine Carbon allotropes Catalytic converter Chirality and enantiomers Chromatography: TLC, column and HPLC Cyclohexane conformations Electrolysis of water (Hofmann voltameter)Electron configuration (aufbau, Hund, Pauli)Ethene and the π bond Fractional distillation Galvanic cell (Daniell cell)Gas laws: piston and cylinder Glucose ring closure Haber–Bosch process Hydrogen fuel cell (PEM)Ionic bonding: Na + Cl → NaCl Le Chatelier’s principle: 2NO₂ ⇌ N₂O₄ Levels of protein structure Mass spectrometer (magnetic sector)Metallic bonding Metallic unit cells (SC, BCC, FCC, HCP)Molecular orbitals of H₂ Polymer chains Rock-salt crystal (NaCl)SN2 reaction Soap & detergent micelles VSEPR molecular shapes Water & hydrogen bonding Zeolite catalyst (faujasite, zeolite Y)

Plants & animals

Amoeba Ant and colony Bird wing Butterfly metamorphosis Centric diatom Coral polyp Earthworm Euglena Fern life cycle Fish anatomy Flower Frog anatomy Garden snail Honeybee Jellyfish (moon jelly)Leaf cross-section Lichen Moss life cycle Mushroom Octopus Orb-weaving spider Paramecium Plant stem Root tip Sea star Seed germination Shark anatomy Tardigrade Tree trunk Tyrannosaurus rex skeleton

Physics

Bar magnet field Cathode-ray tube Cavendish torsion balance Compound light microscope Conical pendulum Converging lens Coupled pendulums Cyclotron Damped spring–mass oscillator Diffusion cloud chamber Doppler effect Double-slit interference Electric dipole field Faraday’s law of induction Foucault pendulum Gyroscope precession Helium–neon laser Hydrogen spectrum Inclined plane and friction Kepler orbits Michelson interferometer Newton’s cradle Organ pipes and standing waves Photoelectric effect Polarization of light Prism dispersion Projectile motion Pulley systems and mechanical advantage Refracting and reflecting telescopes Rutherford scattering Simple pendulum Three classes of lever Total internal reflection Transverse wave on a string Van de Graaff generator

Earth & space

Aquifers and wells Atmosphere layers Carbon cycle Earth’s interior (cutaway)Earthquake faults El Niño–Southern Oscillation Fold mountains Geyser Glacier Greenhouse effect Hurricane Karst caves Mineral crystals Ocean circulation Plate boundaries River to delta Rock cycle Sand dunes Soil profile Thunderstorm and lightning Tornado Tsunami Volcano Water cycle Weather fronts

Astronomy & space

Asteroids: rubble piles and metal worlds Black hole Comet Core-collapse supernova Earth–Moon tides Earth’s magnetosphere EVA spacesuit (EMU)Exoplanet transit Falcon 9 Geology of the Moon GPS constellation Hubble Space Telescope Ice giants: Uranus and Neptune International Space Station James Webb Space Telescope Jupiter Lunar phases Mars Mars rover (Perseverance-like)Milky Way Neutron star and pulsar Saturn and its rings Saturn V rocket Seasons Solar system Space Shuttle Star life cycle Sun interior Venus Voyager spacecraft

Power & energy

Biogas digester Boiling water reactor CANDU reactor Coal-fired power plant Combined-cycle power plant Concentrated solar power tower Diesel engine Electric car drivetrain Electrical grid Flywheel energy storage Four-stroke engine Geothermal power plant Heavy-duty gas turbine Helicopter powertrain High-bypass turbofan Hybrid car powertrain Hydroelectric dam Inertial confinement fusion Lead-acid car battery Liquid rocket engine Lithium-ion battery (18650)Nuclear fission chain reaction Offshore wind turbine PEM hydrogen electrolyser Pressurised water reactor Pumped-storage hydropower PWR fuel assembly Radial aircraft engine Radioisotope thermoelectric generator Ramjet and scramjet Silicon solar cell Single-cylinder engine Sodium-cooled fast breeder reactor Solar thermal collectors Steam locomotive Steam turbine Stellarator Stirling engine Tidal stream turbine Tokamak fusion reactor Turbocharger Turbojet engine (cutaway)Turboprop engine Two-stroke engine V8 engine Vanadium redox flow battery Vertical-axis wind turbine Wankel rotary engine Wave energy converter Wind turbine

Mechanisms

4-speed automatic transmission 5-speed manual gearbox Antikythera mechanism Belt CVT Belt drive Cam and follower Centrifugal (flyball) governor CNC milling machine Counterweight trebuchet Deep-groove ball bearing Detachable gondola Double-wishbone suspension Drafting pantograph Drum brake Escalator FDM 3D printer Four-bar linkage Geneva drive Gutenberg printing press Harmonic drive (strain-wave gear)Hydraulic brake system Hydraulic excavator Jacquard loom Lead screw & nut Lockstitch sewing machine MacPherson strut suspension Mechanical watch movement Open differential Pendulum clock escapement Pin-tumbler lock Planetary gearbox Rack and pinion Rack-and-pinion steering Ratchet and pawl Road bicycle drivetrain Scissor jack Scotch yoke Single-plate dry clutch Six-axis robot arm Slider-crank mechanism Spur gear pair Stepped-drum calculator Straight-line linkages Torque converter Tower crane Tower windmill Traction elevator Universal joint Valve train Worm gear

Fluids & heat

Aerofoil lift and stall Axial fan and centrifugal blower Ball valve with pneumatic actuator Bimetallic thermostat Butterfly valve Car cooling system Centrifugal pump Check valves Closed-return wind tunnel Cooling tower Diaphragm pump Espresso machine External gear pump Fire sprinkler system Fire-tube boiler Floating-caliper disc brake Flush toilet Gate, globe and ball valves Heat pipe Hydraulic cylinder Hydraulic press Peristaltic pump Pitot-static tube and airspeed indicator Plate heat exchanger Pressure cooker Pressure relief valve Reciprocating air compressor Refrigerator Rotary vane vacuum pump Shell-and-tube heat exchanger Split air conditioner Tank water heater Vapour-compression heat pump Venturi carburettor Water treatment plant

Electromagnetism & electronics

AC generator (alternator)Bipolar junction transistor (NPN)Brushed DC motor Brushless outrunner motor Capacitor Cavity magnetron CMOS image sensor Dynamic microphone Electric bell Electric guitar pickup Electromechanical relay Hard disk drive Hybrid stepper motor Induction hob Integrated circuit: package to transistor LCD pixel stack Light-emitting diode (LED)Linear solenoid actuator Loudspeaker driver Maglev linear motor Miniature circuit breaker MOSFET MRI scanner OLED pixel stack Optical fibre p–n junction diode Printed circuit board (4-layer)Qi wireless charger Quartz watch movement RC servo motor Single-phase transformer Smartphone teardown Switch-mode phone charger Tesla coil Three-phase induction motor