Figure Out Where You Are With Nothing But a Watch and Protractor | WIRED
I 3D printed Senku's sextant! : r/DrStone
Sextant | Vwonder
sextant
Build a Simple Sextant
Handmade Sextant - Capt Oz » Ozgur Dogan Gunes
WoodenBoat - From Shahar Regev: This is my homemade wooden sextant. It has only 1 mile of error! Since I was young sailor I wanted a real sextant. But unfortunately it was
Build a Simple Sextant
XTant project - Build your own sextant
EF Training sextant
DIY Digital Sextant (with Pictures) - Instructables