Table 1 The basic printing parameters...

Table 1

The basic printing parameters used for all thermoplastic polyurethane (TPU) samples

Printing Parameters
	Layer height	Top/bottom thickness	Wall thickness	Print speed	Sample shape	Sample height	Sample width and length
TPU	0.2 mm	0.8 mm	0 mm	30 mm/s	cuboid	25 mm	50 mm

Printing Parameters
TPU	0.2 mm	0.8 mm	0 mm	30 mm/s	cuboid	25 mm	50 mm

Note:

TPU samples were tested against ISO 3866-1 standard for compressive characteristic of cellular flexible materials. A cuboid sample with the given dimensions was modelled in Autodesk Inventor Professional 2020 CAD software. Printing parameters were set in the slicing software Ultimaker Cura version 4.5. A 0mm external wall thickness was set for specimens so that the internal structure was visible during testing, as suggested by the ISO standard 3866-1

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