
Theoretical Mechanics 3D Models and STL Mechanisms
This collection gathers STL files related to theoretical mechanics, from gearboxes and bearings to clock escapements and teaching models. It helps you find a physical example for a lecture, a study project or a workbench experiment. The models vary in scale and complexity, so the collection works as a starting point rather than a fixed set. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
Esta colección está escrita en inglés, pero la búsqueda funciona en cualquier idioma.
Cómo se elabora esta colección
Polyzon reúne esta colección a partir de los resultados de búsqueda de las plataformas conectadas. Se eliminan los duplicados y los modelos sin vista previa, las coincidencias débiles van al final y el resto mantiene el orden de la búsqueda. Los modelos pertenecen a sus autores: consulta las condiciones en la página de cada modelo.
Criterios de selección: el equipo editorial de Polyzon · Texto actualizado el 12/10/2026
Por dónde empezar
Todos los modelos de esta colección

Hand-Powered Mechanical Fan — 3D Printable Project

S Hawking Plaque

Fully 3D-printable bearing

Screw Fidget

The Machine Core – Mechanical Puzzle Box

Card Shuffler
Dragonfly Science

Ball bearing 6208 SKF NSK 40x80x18

3D Printed Synchro Gearbox
Eye mechanics with all possible movements

Planetary gearbox

Leonardo Clock (Lasercut) (UPDATED)

3D-printed Watch with Tourbillon

Around the Corner Drill

SylvesteR M5 Bolt

3D-printable Davinci catapult gift card

Galileo Galilei Pendulum Clock (Vers. 3.1)

Socket Trays

The 180° Drill Bit

Gear clock

Print in Place Expanding Ring Mechanism
"Marble Maze" Dot Matrix Display

Lathe chuck Solidworks

animatronic eye mechanics with adjustable eye distance

4 in 1 Multi-functional Electric Control Cabinet Key

Fully Printable Working Carburetor

Galileo Clock

Propeller Toy

Gear Basics Learning Tool

The 3D Printed Marble Machine #2 - Design by Tulio

Fully Functional Attack on Titan Blade and Handle 3D Print

Rain Drop Mechanism

4in1 Multi-functional Electric Control Cabinet Key

Schrodinger's Cat

GEARS MECHANISM - ALTERNATE MOTION ASSEMBLY TOY

Screw and Nut

Fallout Holodisk/Holotape Replica

Perkins Generator 45KVA Canopi

Impossible 3D-printed bolt and nut

KEYCHAIN SKULL PISTON

diameter gauge

Bosch FlexiClick tool board mount

Oil Barrel Pen Holder - Desk Organizer

Interactive Gear Board – Endless Mechanical Motion Toy

Himitsu Bako 3 | 60 Steps - 6 Hidden Compartments
«Theoretical Mechanics 3D Models and STL Mechanisms»
Educational models often show a single principle, such as a pendulum, a linkage or a gear train, while larger assemblies combine several parts into one mechanism. Gearboxes, bearings and clock movements differ in part count, tolerances and the way motion is transferred. Some designs are static illustrations, and others are intended to be assembled and moved by hand.
On the author's model page, check the listed dimensions, scale and number of parts before printing. Look at whether the design needs supports, how the parts join, and which material and settings the author describes. Photos of real prints can show clearances, surface finish and whether the mechanism moves as expected.
To refine the search, try synonyms and related terms such as kinematics, dynamics, statics, linkage, gear ratio, escapement or bearing housing. Combining a broad term with a mechanism type, material or scale can narrow the results. Related topics like educational physics models, mechanical puzzles and clockmaking often lead to files that fit the same study or workshop context.
Preguntas frecuentes
What types of theoretical mechanics models can be found in STL format?
How do I choose a model for a mechanics demonstration?
What can a 3D printed gearbox or bearing demonstrate?
What search terms help find related models?
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