4 Point Bend Specimen

Dimensions: 5.25" x .5" x .375" *To be printed with various infills for the purpose of mechanical testing.


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Yes, this is a 3D model of a rectangle.

I am writing a blog series about designing a low cost yet very capable homemade testing machine and using it to analyze the mechanical properties of 3D printed materials.
This rectangle is actually a test specimen specifically designed for a 4 point bend loading on my machine. 
You can follow along with the project at the link below, any feedback or fresh ideas will be greatly appreciated! What mechanical properties would you test 


Materials and methods

-all plastic



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Mini meJoris Peels added this to the Useful Test Print Pieces collection ago
Mini engineerdog headMichael published this design ago