Opening Lilerno
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Courses, textbooks, CAD objects and tools. Sources and reuse notes included.
These resources open on their original websites. Nothing is bulk-downloaded, mirrored or embedded. CAD files need author attribution and engineering verification; software licences do not automatically cover documentation or sample assets. Some university courses reference paid textbooks or specialized laboratory equipment.
33 of 33 resources · records checked 6 September 2026 · external links
Textbook · OpenStax
Net force, mass, acceleration and the choice of a physical system.
External reading only; no textbook text or figures redistributed. Verify current book and asset terms before reuse.
Publisher licence / record ↗Textbook · OpenStax
Foundational measurement vocabulary and reporting limits.
External reading only; no textbook text or figures redistributed. Verify current book and asset terms before reuse.
Publisher licence / record ↗Textbook · OpenStax
Practise inverse operations, then solve equations containing fractions and variables on both sides.
External reading only. Check current book and figure terms before copying; no OpenStax content is redistributed here.
Publisher licence / record ↗Textbook · Daniel W. Baker and William Haynes
Vector components, addition and the mathematics needed for free-body diagrams.
CC BY-NC-SA 4.0 for the book; embedded interactives have separate terms. Linked, not embedded.
Publisher licence / record ↗Course · MIT OpenCourseWare
Continue after single-variable calculus: partial derivatives, double and triple integrals, vector fields and flux.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Elimination, vector spaces, least squares, eigenvalues and matrix models.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
First-order equations, second-order oscillators, Laplace transforms and systems. Start with the first-order unit.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Newton's laws, reference frames, torque, rigid bodies and mechanical vibration; includes problem-solving videos and exams.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Thermodynamic foundations, second law, power cycles and heat transfer. Aerospace examples share the mechanical-engineering energy principles.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Pressure, hydrostatics, control volumes, conservation laws and viscous flows.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Conduction, convection, radiation and thermal-system analysis.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Lumped circuits, resistors, sources, transients and basic electronic devices. Study before electromechanical control.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Feedback models, stability and controller design. Laboratory instructions are references, not unsupervised hardware tasks.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Course · MIT OpenCourseWare
Process physics, manufacturing systems, quality, homework and a documented yo-yo design project.
CC BY-NC-SA 4.0 except separately credited material. Linked for external study, not reproduced. Some assigned textbooks/software require separate access.
Publisher licence / record ↗Reference · NIST / SEMATECH
Measurement-process characterization, exploratory analysis, process modelling, quality and experimental design.
Linked reference. NIST-authored federal material and third-party contributions can have different rights; verify item notices before reuse.
Publisher licence / record ↗CAD / objects · FreeCAD-library contributors (community-maintained)
Inspect editable bearings, fasteners, couplings and pulleys. Download individual parts rather than the entire large library. Geometry is not a certified load rating.
Repository assets: CC BY 3.0. Attribute each model's author from file properties and commit history; retain notices and identify modifications. No files are mirrored by Lilerno.
Publisher licence / record ↗CAD / objects · BelfrySCAD / BOSL2 contributors
Existing OpenSCAD gear constructions and documented parameters. Compare tooth count, module and pitch diameter; verify design assumptions before fabrication.
BOSL2 code is BSD-2-Clause; retain copyright and licence notices when redistributing code. Documentation and dependency notices must also be checked. Linked only.
Publisher licence / record ↗Reference · FreeCAD contributors
An introductory reference for parametric modelling, sketches and drawings. This older manual may differ from the installed interface.
External reference. FreeCAD software is LGPL; do not assume the software licence covers all manual illustrations or add-ons.
Publisher licence / record ↗Simulation tool · CFD Direct / OpenFOAM Foundation
Start with the tutorial and learn case structure, boundary conditions and mesh setup. A versioned guide, not a claim that v13 is the newest release.
Open-source solver; guide and software have separate notices. Linked only; verify the relevant documentation and code licence before redistribution.
Publisher licence / record ↗Simulation tool · Guido Dhondt and Klaus Wittig
Existing structural solver, documentation and example problems. Compare a simple axial model with a hand calculation before attempting complex cases.
GPL-licensed software as stated by the project. Examples and linked documentation require their own notice checks. External tool; not installed or executed here.
Publisher licence / record ↗Reference · Kevin Lynch and Frank Park / Northwestern University
An elective direction after linear algebra and dynamics: configurations, rigid-body motions, kinematics and control.
Free-to-read companion resources, not a blanket open-content licence. Book, videos and software have separate terms. Linked only.
Publisher licence / record ↗Reference · MIT Course Catalog
Core subject coverage and laboratory/design expectations.
Curriculum reference only; no affiliation or credit equivalence.
Publisher licence / record ↗Reference · ETH Zürich · D-MAVT
Foundations, experiments, design projects, and specialization sequence.
Curriculum reference only; no affiliation or credit equivalence.
Publisher licence / record ↗Reference · BIPM · updated 2026
Lesson 01: SI units, prefixes, and quantity notation.
CC BY 4.0; cited as a factual reference. No figures reproduced.
Publisher licence / record ↗Reference · OpenStax
Arithmetic, fractions, powers, and the bridge to algebra.
Reference only. Verify the current book and asset licence before reuse.
Publisher licence / record ↗Reference · OpenStax
Lesson 01: unit conversion and physical quantities; broader mechanics and electricity reading.
CC BY-NC-SA; reference only. No text, questions, or figures reproduced.
Publisher licence / record ↗Reference · MIT OpenCourseWare · Fall 2010
Derivatives, integrals, and worked calculus study sessions.
CC BY-NC-SA, except marked exceptions; external study only.
Publisher licence / record ↗Reference · Daniel W. Baker and William Haynes
Forces, free-body diagrams, equilibrium, and structures.
CC BY-NC-SA 4.0; reference only. Embedded tools have separate terms.
Publisher licence / record ↗Reference · MIT OpenCourseWare · Spring 2004
Mechanical behaviour, material selection, and experimental work.
CC BY-NC-SA, except marked exceptions; external study only.
Publisher licence / record ↗Reference · MIT OpenCourseWare · Fall 2014
Programming, numerical solutions, linear algebra, and probability. Source assignments use MATLAB.
CC BY-NC-SA, except marked exceptions; external study only.
Publisher licence / record ↗Reference · MIT OpenCourseWare · Spring 2009
Mechanical design, mechanisms, and project thinking.
CC BY-NC-SA, except marked exceptions; external study only.
Publisher licence / record ↗Reference · Engineering LibreTexts
Discover additional thermodynamics, fluid mechanics, and heat-transfer texts.
Discovery only: shelf licence is not declared; inspect each book and asset before reuse.
Publisher licence / record ↗Reference · OpenSCAD
Optional tool for opening the original parametric part exported by lesson 01.
Tool: GPL v2. Lilerno supplies its own original model; no tool code is embedded.
Publisher licence / record ↗Publisher and licence records checked on 2026-09-06. This is a curated collection, not an exhaustive catalogue or an expert endorsement of every file. Report a broken link or rights concern through feedback. Interface resource panels adapt React Bits SpotlightCard by David Haz; its MIT + Commons Clause notice is retained in the application source.