How to make a fish finder in Tarariari?

Sextant+fisherman's pocket guide+weather broadcast. After collecting these three things, take them to the craftsman's workshop to synthesize a fish finder.

Introduction:

Players can do many things in the game: make weapons to defeat various enemies and societies; Dig underground to find equipment parts, money and other useful things; Collect wood, stones, ores and other resources; Create what you need with everything in the world and protect it.

Background settings:

After completing the character customization, the game throws the player into a completely randomly generated pixel world. The tools at hand mean that players need to build things, explore the world and defeat monsters.

Equipment grade:

The equipment levels from ordinary to artifact are: gray, white, blue, green, orange, red, magenta, purple, light green, yellow and cyan.