The Secret of How I designed and 3D printed these 18650 Li-ion Battery Holder - YouTube
3D Printable 18650 holders with integrated spring by Ahmed Abdulla
k014's Parametric 18650 Battery Holder (opensource) by k014 | Download free STL model | Printables.com
18650 Battery Holder | 3D CAD Model Library | GrabCAD
Improved 18650 cell holder – EmbedBlog
18650 battery holder | 3D CAD Model Library | GrabCAD
18650 cell holder" 3D Models to Print - yeggi
DIY 18650-cell battery-pack building KITS, four options for 2017 | ELECTRICBIKE.COM | Electronics mini projects, Battery pack, Basic electronic circuits