Table 2.

Summarizes the time needed to produce each mask together with cost of the used materials and the mask fabrication cost per material. PLA; Polylactic acid, TPU; Thermoplastic Polyurethane

Mask type	Conventional Mask	TPU mask	PLA mask
Fabrication time	• 35 minutes	• 18 hours and 27 minutes	• 15 hours and 55 minutes
Raw material cost	• Thermoplastic Orfilight Atomic Blue NS soft® microperforated 60 × 90 cm board costs about 90 US dollars.	• A 750 g spool of 2.8 mm TPU filament cost about 69.95 US dollars. • 68 g of material were used in the mask print.	• A 750 g spool of 2.8 mm PLA filament cost about 49.95 US dollars • 69 g of material were used in the mask print.
Mask fabrication cost	–	• 6.4 US dollars per material per mask	• 4.6 US dollars per material per mask