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3D Illuminated Puzzle of Sichuan Aerospace Vocational and Technical College

Overview

After receiving the 3D illuminated jigsaw puzzle from Sichuan Aerospace Vocational and Technical College, it needs to be cut.

Each part

has solder pads that need to be soldered.
I
used a self-made heating table and solder paste for surface mount soldering. Pay attention to the positive and negative directions of the LEDs during soldering. Here's

a preview of the finished product:

this is the top,

this is the bottom, note the order of the different board layers.

Finally, here's the overall view.

Below is the effect after turning on the lights.

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Update:2026-03-28 06:31:02

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