This 2.5mm PCL filament set is designed as refill material for a wide range of creative pens. It supports use with a 3d printer pen or 3d doodler style drawing pen for simple three dimensional designs and decorative projects. Many users choose this filament for use with a 3d pen for kids or family shared drawing activities, as well as for hobby use with adult 3d pens. The mixed colour selection allows flexibility when experimenting with shapes and patterns. The filament is also commonly searched alongside terms such as 3d printing pen for kids and 3d doodler, and can be used as an alternative refill option for users familiar with 3doodler start systems, without any brand affiliation.
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