How To Test 3D Printing Filament

3d filament strength

A filament can be measured far beyond the very qualitative observations of how easy a material is to print with and the general look and feel of a finished product. For some, this may be all they need to know, and we certainly carry filaments where interesting finishes are the priority.

But for others who use 3D printing to create moving, load-bearing, or practical-use parts, scientific testing results are important. These are the terms and properties to know when understanding how to test 3D printing filament.

When we test products, we measure strength, toughness, and flexibility. To do so, our in-house engineer uses a professional facility at a local university.

Conversationally, these words may mean different things than the technical definitions. So as defined:

Strength –

the amount of force an object can withstand before breaking. Think of it as pulling something until it breaks.

Toughness –

the amount of energy an object can absorb before it breaks. Think of it as dropping something on the ground.

Flexibility –

the amount of deformation an object experiences before it breaks.

We now carry Glass Filled PLA from 3Dom USA, which is labeled as an engineering-grade filament. This is the exact type of material for which knowing these properties is important. We found that it’s a great material if you’re worried about the strength, toughness, or flexibility of the product that you’re printing. For example, a shelf bracket or something that is being used often and will undergo a lot of internal stresses.

We discuss further how we test 3D printing filament, new features in Simplify3D and the Hot Rod Henry printer in this week’s show. Check out the video below or listen on PodBean or iTunes.

2 Comments
  1. Hayden bean 8 months ago

    Hi im importing some PLA filament from china and i want to get it tested for quality. Will you be able to assist me with this test?

    Best regards,
    Hayden

    • John Schneider 8 months ago

      Don’t you have a 3D printer that you can test on? If not, I would highly recommend it. The best way to sell your product is to know it inside and out.

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