**5. Results**

The co-creation projects aimed to identify which of the companies' various products currently in production were candidates for possible development using AM technologies. This process took place in five stages—from the initial stage of selecting prototype designs to the final stage of prototype testing and evaluation (on prototype testing, see [32]). **Figure 1** presents the timelines of the projects' activities according to these five development stages for Alpha (A1 and A2 prototypes) and for Beta (B1, B2, and B3 prototypes).
