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docs/projects/hub75-display/README.md

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### Aluminum Extrusion Frame
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Aluminum extrusion could be used to create a rigid and modular frame around the LED panels.
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- [Simple Extruded Aluminum Frame for LED Panels](https://www.instructables.com/Simple-Extruded-Aluminum-Frame-for-LED-Panels/)
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A practical example of constructing an LED-panel frame using aluminum extrusion.
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- [Useful Build Tips for Making LED Panel Frames](https://hackaday.com/2021/02/23/useful-build-tips-for-making-led-panel-frames/)
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Build tips covering panel measurements, magnetic mounting, wiring, DIN rail and mounting the controller and power supply.
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![Simple extruded aluminum frame for LED panels](./_images/Simple-Extruded-Aluminum-Frame-for-LED-Panels.webp ':no-zoom')
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- [Hinges](hinge-ideas.md)
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## Details
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# Aluminium extrusion frame idea
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Aluminum extrusion could be used to create a rigid and modular frame around the LED panels.
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- [Simple Extruded Aluminum Frame for LED Panels](https://www.instructables.com/Simple-Extruded-Aluminum-Frame-for-LED-Panels/)
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A practical example of constructing an LED-panel frame using aluminum extrusion.
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- [Useful Build Tips for Making LED Panel Frames](https://hackaday.com/2021/02/23/useful-build-tips-for-making-led-panel-frames/)
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Build tips covering panel measurements, magnetic mounting, wiring, DIN rail and mounting the controller and power supply.
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![Simple extruded aluminum frame for LED panels](./_images/Simple-Extruded-Aluminum-Frame-for-LED-Panels.webp ':no-zoom')
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# Hinge Ideas
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This page contains 3D-printable hinge ideas for the HUB75 display enclosure.
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The examples are collected as possible starting points rather than final selections.
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## Stop Hinge
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[MakerWorld — Stop Hinge](https://makerworld.com/nl/models/2644412-stop-hinge#profileId-2922394)
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![3D-printed stop hinge](../_images/hinges/stop-hinge-w320.webp ':size=500')
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This hinge has an integrated stop that limits its maximum opening angle.
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It may be useful when a lid or support panel must stop at a defined angle without using a separate cable or support arm.
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Possible applications include:
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- A hinged rear cover
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- A folding support panel
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- A lid that also functions as a support
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- Limiting the opening angle of an enclosure part
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## Hidden Hinge
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[MakerWorld — Hidden Hinge](https://makerworld.com/nl/models/252533-hidden-hinge#profileId-268869)
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![3D-printed hidden hinge](../_images/hinges/hidden-hinge-w320.webp)
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This hinge is intended to be concealed when the connected parts are closed.
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A hidden hinge could provide a cleaner exterior because the hinge does not remain visibly mounted on the outside of the enclosure.
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Points to consider include:
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- Required recesses in the wooden panels
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- Available panel thickness
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- Clearance during opening
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- Strength of the printed parts
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- Access to the mounting screws
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## 180-Degree Strong Hinge
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[MakerWorld — 180° Strong Hinge, 36 mm](https://makerworld.com/nl/models/243010-180deg-strong-hinge-36mm#profileId-259247)
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![3D-printed 180-degree strong hinge](../_images/hinges/strong-hinge-180deg-w320.webp')
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This design is presented as a strong hinge with an opening range of up to 180 degrees.
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The linked version is identified as a 36 mm model.
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It may be useful when a panel must fold completely back against another part of the enclosure.
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Possible applications include:
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- A fold-back rear panel
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- A lid that opens flat
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- A support panel that folds against the enclosure
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- A cover that must remain out of the way when opened
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## 180-Degree Opening Gate Hinge
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[MakerWorld — 180° Opening Gate Hinge, PETG](https://makerworld.com/nl/models/1175797-180deg-opening-gate-hinge-petg#profileId-1185005)
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![3D-printed 180-degree gate hinge](../_images/hinges/gate-hinge-180deg-w320.webp)
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This is a 3D-printable gate-style hinge designed to open up to 180 degrees.
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The model is intended to be printed in PETG. It may be useful when a lid or support panel needs a relatively large, externally mounted hinge.
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Possible applications include:
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- A rear panel that opens completely
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- A folding support panel
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- A lid that folds back against the enclosure
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- A larger hinge connection with accessible mounting points
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## Comparison
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| Design | Main Characteristic | Possible Use |
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|---|---|---|
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| Stop hinge | Integrated opening stop | Support panel or limited-angle lid |
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| Hidden hinge | Concealed when closed | Clean exterior finish |
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| 180° strong hinge | Compact 36 mm design | Fold-back lid or panel |
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| 180° gate hinge | Larger external gate-style hinge | Rear panel or folding support |
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## Considerations
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Before selecting a hinge, the following should be checked:
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- Required opening angle
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- Load on the hinge
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- Panel thickness
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- Screw positions
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- Required mounting clearance
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- Print material
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- Print orientation
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- Whether a metal hinge pin or additional hardware is required
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## Notes
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