We designed two styles of spike strip-- one with regular round spikes and one crystal-inspired statement piece. Download whichever spikes you like and print in NinjaFlex filament at 225 degrees with a non-heated build plate. For more tips on working with NinjaFlex, check out our NinjaFlex guide.
Also print the two pieces of the flexible enclosure for the GEMMA and battery. Since it's printed in NinjaFlex, the enclosure is soft and flexible, yet firm enough to protect your components. The enclosure shape includes tabs for pinning or sewing to your garment.

This guide was first published on Mar 05, 2014. It was last updated on Nov 27, 2023.

This page (Download and 3D Print) was last updated on Mar 04, 2014.

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