Silicone urethane (SU) (Sil30, A-35, Carbon 3D, USA) on a DLS printer (M3 Max, Carbon3D, USA), resulting in two masks: SUsmall and SUlarge,
Silicone (Amsil 20501, A-50, Elkem Silicones, Norway) on a FDM printer (3D4Makers, Netherlands and Purpose AM Systems, Latvia), resulting in two masks: Sismall and Silarge
Soft photopolymer resin (MED414, A-50, Loctite, Henkel, Germany) on a DLP printer (OriginOne, Stratasys, Israel), resulting in two masks: SPRsmall and SPRlarge.
An overview of the personalized cushion materials. From left to right: silicone urethane (SU) printed on a DLS printer, silicone (Si) printed on an FDM printer, and soft photopolymer resin (SPR) printed on a DLP printer