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LED support for Test Tube

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0.16mm layer, 2 walls, 6% infill
0.16mm layer, 2 walls, 6% infill
Designer
2.3 h
1 plate

0.16mm layer, 2 walls, 6% infill
0.16mm layer, 2 walls, 6% infill
Designer
38 min
1 plate

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  • LED 5mm diametre x 1:

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🧪 Test tube cap Ø 20 mm with 5 mm LED holder

📄 Description

This model is a 3D printable cap for a 20 mm diameter test tube, incorporating a standard 5 mm LED housing.
It allows a classic test tube to be transformed into a luminous element for scientific experiments, educational demonstrations, or electronic projects (Arduino, ESP32, etc.).

The 5 mm LED is held by friction, without glue, according to printing tolerances. The cap fits the tube while remaining dismountable and reusable.
A simple, practical model optimized for 3D printing.

💡 Tube Ø 20 mm
💡 LED Ø 5 mm
🧠 Science, education, maker
🖨️ Easy printing

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