Table 5. . 3D-printing companies manufacturing door handle accessories in response to the COVID-19 crisis.
| Company | Country |
|---|---|
| Sintratec | Switzerland |
| Materialise | Belgium |
| Creatz3D | Singapore |
Data taken from [31].
| Company | Country |
|---|---|
| Sintratec | Switzerland |
| Materialise | Belgium |
| Creatz3D | Singapore |
Data taken from [31].