CAD resources for real production work
Build Better Drawings.
Work Smarter.
Free AutoCAD, Revit and BIM resources made for architects, engineers, CAD managers and technical designers. Download practical files, automate repetitive work and solve real workflow problems.
Choose your workspace
One library. Every CAD workflow.
Go directly to the files, tools and references that match the work you need to complete today.
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AutoCAD Resources
Blocks, templates, linetypes, hatches, plot styles, fonts and tool palettes.
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Revit & BIM
Families, project templates, shared parameters and Dynamo automation.
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Automation & APIs
AutoLISP, Dynamo, macros, VBA and Python tools for repetitive tasks.
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CAD Management
Standards, audits, registers, calculators, BEP, RFI and business templates.
Most-used collections
Start with a production-ready resource
Clear file formats, practical installation guidance and resources organized around real drafting work.
70+ AutoLISP Scripts
Automate geometry, layers, blocks, annotations, layouts and drawing cleanup.
Standard CAD Blocks
Reusable architectural, civil, MEP and structural blocks for everyday drawings.
Drawing Templates
Professional template starting points for consistent layers, styles and layouts.
Plot Styles
CTB and STB standards built for controlled lineweights and clean PDF output.
AutoCAD Linetypes
Utility, civil, survey, architecture and construction linetypes ready to load.
Hatch Patterns
Materials, landscape, industrial and annotation patterns for clear documentation.
CAD Font Sources
Technical, architectural and specialized stroke-font sources for AutoCAD.
Dynamo Scripts
Revit automation tools for sheets, parameters, coordination and model auditing.
Knowledge base
Solve the problem.
Understand the workflow.
CADAuthority goes beyond downloads. The guides explain what works, what breaks and how to keep drawings reliable in real production environments.
PDF to DWG or DXF
Choose the right workflow for vector PDFs, scans and post-conversion cleanup.
Revit to AutoCAD
Export RVT and RFA files while protecting layers, coordinates and geometry quality.
Practical AutoCAD Tutorials
Build useful drawings while learning layers, precision, annotation and plotting.
A practical standard
From download to dependable delivery
Good CAD resources are useful only when they are tested, organized and deployed correctly. Use a simple three-step workflow.
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Choose the right file
Start from the software, file format and task you need to complete.
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Read the setup guide
Check installation paths, dependencies, units and version compatibility.
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Test and standardize
Validate resources on a copy, then deploy them through a controlled office library.
Quick answers
About CADAuthority resources
Use the library as a starting point, then adapt every file to your project and company standards.
What can I download from CADAuthority?
AutoLISP programs, CAD blocks, templates, linetypes, hatch patterns, plot styles, font sources, Revit resources, Dynamo scripts and management documents.
Are the resources free to download?
The collections presented in the free-download library are available without a paid subscription. Always review the notes included on each resource page.
Who is this library designed for?
CAD technicians, architects, engineers, BIM specialists, students, trainers and CAD managers working with production drawings and digital models.
Should I test downloaded files first?
Yes. Test scripts, templates and standards on a copy of your project before deploying them to a live drawing or a shared company environment.
Ready to work faster?