Tower hydroponic lighting module, Part I - Modelo de impresión 3D

Tower hydroponic lighting module, Part I

PleasantPlug

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Publicado:2026-04-21 03:57:17

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First part of the tower hydroponic lighting module

This module is not just a "top lighting" - it is a fully functional part used to replace the standard top cover of the hydroponic tower. It is designed as part of a modular system, where the mechanical, lighting, and control components are logically separated. This part mainly focuses on the structure and lighting, and the controller will be introduced in the next section.

Concept

The main idea is to create a convenient, maintainable, and flexible lighting solution that doesn't get in the way. The module is completely removable - it can be taken down with all the wiring intact, without any hassle. This is important because accessing the water tank, replenishing the nutrient solution, and performing daily maintenance shouldn't turn into a laborious struggle.

Please support meIf you like this model, reposting, giving a thumbs-up, or liking it is the best way to express "do more". It directly supports the development and creation of new projects.

This module is completely sealed, which is crucial in hydroponics. Moisture, condensation water, and splashes must not enter the interior.

照明

The system uses dual-channel lighting, which will be controlled by a customized controller later. This allows for flexible spectral adjustment and different operating modes

After testing multiple designs, I decided to adopt a "spider-like" layout that uses flexible lamp arms. This proved to be the most practical solution:

It can be easily adjusted as the plants grow
It does not hinder the visit to the water tower
Provide a uniform light distribution

This method is much more convenient than a rigid frame or a ring light.

Controller

The original controller included with Chinese lighting fixtures is the weakest link:

It's very basic
Incorrect timing logic

It was never intended to be used.

It is planned to use a custom controller, which includes the following features:

Wi-Fi and network interface
Two-channel lighting control
Irrigation control
Nutrient solution temperature monitoring
Optional external fan control

This will be introduced in a separate section, which includes more advanced logic and functionality.

Structures and materials

The mounting bracket of the lamp is printed from polycarbonate. In fact, there is no significant heat, so you can use it safely:

PETG
ABS/ASA

Polycarbonate is more of an excessive choice than a necessity.

As for the diffuser, the original version is basically just transparent polycarbonate, with almost no diffusing effect. It was replaced with:

Thin transparent polycarbonate
Improved light diffusion characteristics

As a result, the light is softer and more evenly distributed, without any dazzling direct beams of light.

Assemble

The assembly is very simple. This part is purely mechanical:

The main body
Installation bracket
Lighting components

There are no complex electronic components at this stage - those will appear later.

Printing and documents

The files will be provided in the following formats:

3MF —It includes pre-configured settings.
STL — suitable for users who like to make adjustments on their own

Important notice:3MF does not guarantee that the results will be completely consistent.

The reason is platform restrictions. When uploading to websites like MakeWorld:

Some settings may be removed
Non-standard parameters may not be preserved

The result is:

The printing effect of the same file may vary
Someone reported that the printing failed

This is not always a model problem.

If you're just going to print it out, please keep this in mind.

If you're posting this, you already know what's going on.

Support

The model includes support using an interface

If this doesn't suit you:

Adjust your own support settings
Optimize your printer

It's not always a good idea to rely entirely on the author's settings. Even if all the settings are correct, platform restrictions may still affect the results.

Summary

At this stage, it is:

A well-thought-out mechanical platform
A flexible and adjustable lighting solution
The foundation of a more advanced control system

The next section will focus on controllers and electronic devices, at which point this will transform from a simple lighting system to a fully controlled system.