Table 1.
Commercial names, additives, and codes of all investigated PLA-based filaments.
| Material | Additives | Code |
|---|---|---|
| PLA Ecogenius | None | Ecogenius |
| Wound Up coffee-filled PLA | Byproducts from coffee roasting | Coffee |
| Buzzed beer-filled PLA | Byproducts from beer malting | Beer |
| Shogun heat resistant PLA | Mineral filler (likely talc) 1 | Shogun |
| Kyotoflex Bioflex PLA | Elastomer in blend and mineral fillers (likely talc and calcium carbonate) 1 | Kyotoflex |
| Entwined—hemp filled | Short hemp fibers | Hemp |
1 Information not available from the supplier and obtained through preliminary analyses as specified in Supplementary Information, Table S1, and Figures S1 and S2.