Printing with TPE on Ender 3

  • Can anyone share their experience printing with soft, flexible materials on an Ender 3 (v2/Pro)?
    Here are some of the issues on my mind:

    • Materials: what kinds of TPE filaments work?
    • Extruder: does the stock Bowden extruder work well with TPE? Does an all-metal Bowden do better? Or should I replace it with a direct drive extruder?
    • Softness: what's the softest material anyone has successfully use? I found a 70 Shore filament called Flexmark7, would it work?
    • Any slicing and printing tips and tricks when using TPE?

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