Ingress Whistle v2 ( Enlightened / Resistance )

The design has some hidden optimisations to aid the slicer to generate shorter bridges. No slicer trickery required.

OpenSCAD resources to create your own logo are included in the ZIP file

I used this faux leather band¹ I found on Amazon. 

Note 1: Some links in this text are “affiliate links”, that means, if you follow them and then purchase something, I may get a few coins from that. That does not affect your purchase in any way.

Complete redesign from scratch with these features

• Much louder
• More efficient (makes sound even with less air)
• Eyelet