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Flexible and Support Materials
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Description
Rubber-like flexible thermoplastic, commonly available from approximately 85A to 95A Shore hardness.
Common use cases
Feet, bumpers, seals, protective covers, flexible hinges, and vibration isolators.
Advantages
Flexible; impact-absorbing; highly abrasion-resistant; useful for grips and protective components.
Disadvantages
Difficult feeding; stringing; moisture-sensitive; slower printing; softer grades buckle easily in long filament paths.
Printing tips and recommendations
Dry before printing, use a short and well-constrained filament path, and reduce speed. Minimize retraction and avoid excessive nozzle pressure. Softer TPU grades may not feed reliably through every AMS path; use the manufacturer-approved external or direct feed route when required.
X2D guidance
Check the exact TPU grade and feeder configuration before use. Flexible materials are more sensitive to the filament path and may not be suitable for every AMS or auxiliary-hotend configuration.
Support-material guidance
TPU itself using sparse or tree supports. Use only manufacturer-approved TPU-compatible soluble/breakaway materials; standard supports are not universal TPU interfaces.
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