After 3D printing a mold design using an Ultimaker 2 [Matt ... it a good start for beginners as well as another method to file away for people who already have experience 3D printing molds.

Researchers created 'growth printing,' which mimics tree trunks' outward expansion to print polymer parts quickly and efficiently without the molds and expensive equipment typically associated with 3D ...

[Print Practical] thought it just might be possible to 3D print ... idea to file away for the future, and one that’s worth experimenting with. Other filament types might make a mold better ...