Table 1.

Symbols of the obtained filaments with a brief explanation and materials’ ratios used for their fabrication.

Filament Symbol	Ratio PUR:PLA	Description
TPU	1:0	Pure PUR
PLA	0:1	Pure PLA
COMP-2,5PLA	39:1	COMP-1 consists of 39 parts of PUR and 1 part of PLA.
COMP-5PLA	19:1	COMP-2 consists of 19 parts of PUR and 1 part of PLA.
COMP-7,5PLA	12:1	COMP-3 consists of 12 parts of PUR and 1 part of PLA.
COMP-10PLA	9:1	COMP-4 consists of 9 parts of PUR and 1 part of PLA.
COMP-12,5PLA	7:1	COMP-5 consists of 7 parts of PUR and 1 part of PLA.