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Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

Running a small business. Learn how to operate and grow a business with information from accounting and bookkeeping to how to obtain small business financing, get ideas for franchises and more.

Wargaming forums, news, photos, and shop, plus the Vehicle Design Rules calculator

Daily inspiration for creative people. Fresh thinking, expert tips and tutorials to supercharge your creative muscles.

Make everything easier in your life with step-by-step instruction, how-to information, and video demonstrations awaiting your discovery at dummies.com ? the online resource for fun fact-finding.

COMSOL Multiphysics is an engineering, design, and finite element analysis software environment for the modeling and simulation of any physics-based system.

3ders.org provide in-depth information about 3D Printing, rapid prototyping, rapid manufacturing, 3D Printers, 3D software, 3D services, 3D designers, 3ders, 3D printer price, 3D printer price compare, 3d printer price comparison

For people who want to make things themselves, Autodesk 123D is free 3D modeling software integrated with content and fabrication services.

Explore the most popular how-to topics on WonderHowTo and learn something new today.