Please enjoy this excellent study reprinted with permission from My3DMatter.
Flexible filaments arrived on the market a couple of years ago and have really broadened the range of objects that can be made with personal 3D printers. While flexibility is a new dimension to the material selection that users can now tap into, this dimension has not been well investigated.
There are many suppliers of flexible materials, and this diverse product selection is also associated with a wide range of filament flexibility levels, mechanical performance, visual quality and processability. Also, there is currently little understanding of how to use a given filament to get the right flexibility for prints, in particular by adjusting the infill %.
This study compares a set of six flexible filaments along various criteria to provide users with a point of comparison among current suppliers. It also gives insight into how to use flexible filaments to reach the right level of flexibility, and the key parameters to adjust when printing this type of material.
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