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About the Inventor

Efraim Shapiro has worked with wood, wood products, and most natural materials as a home remodeling professional for over 40 years.


As a determined optimist and problem solver, he frequently looks for the most efficient ways to solve woodworking challenges. Efraim has invented many useful gadgets over the years and patented 3 inventions.


Efraim's professional scope of work includes residential remodeling, additions, kitchens, baths, framing and finish work, electrical, plumbing, HVAC and custom built-ins, and furniture. 


He uses the 3D Ruler every day in various ways.

Where to Buy

The 3D ruler is available online directly through our site, on Amazon through Woodcraft, Peachtree Woodworking, and Aspects of Wood and USA and Canadian distributors.




Ongoing product awareness is achieved through guest appearances  on DIY broadcasts such as Home Talk USA and featured appearances on Cool Tools, My Cool Inventions, HDTV Tool Skool, HOW TV and numerous other retail websites and industry trade reviews  

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