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Sugru Overmolding Using 3D Printed Molds #3DThursday #3DPrinting

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Andreas Bastian shared a handy tutorial for Sugru overmolding using 3D printed molds that simultanteously leans on a desktop 3D printer for creating a structural armature and for mold design to extend this structure with other materials:

Having different mechanical properties in different regions of a part can be extremely useful, especially when compliance or textures are involved.

As an experiment in improving the grip of the Raptor Hand, produced by a team of designers in the e-NABLE 3D printed prosthetics community, I designed a mold and modified the Raptor distal phalange to allow for Sugru overmolding. Sugru is an air-cured silicone material that is typically packaged in 5gram packets and is quite durable and grippy when cured. After molding and trimming, the Sugru fingertip is secured bonded to the distal phalange and provides some additional friction compared to the original PLA surface….

Read the entire sequence at Instructables.

Pasted Image 10 30 14 1 47 AM

Sugru Overmolding Using 3D Printed Molds

Pasted Image 10 30 14 1 48 AM

Pasted Image 10 30 14 1 46 AM


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