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Meshtastic Muzi H1 REMIX - 1100mAh Version (No branding+ No Keyhole + optional Buzzer+ navigation switch + Belt clip)

Case for the Heltec V3 Lora board. Remixed to fit a 1100mAH battery + buzzer + navigation switch - Keyhole
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updated September 26, 2025

Description

PDF

 

See changelog to see all the updates and changes I did.

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Original Muzi text for his Original H1:

Case for the Heltec V3 Lora board. Recommended to print in a Matte filament to provide more grip.

Tap the M3x0.5 post on the ‘Case Rear’, careful not to poke through the wall at the end.

Install the buttons, board, SMA Pigtail and snap the 2 halves of the case together.

Secure with a M3x12mm screw for a rock solid enclosure.

Fits:
- Battery 

https://www.makerfocus.com/products/makerfocus-3-7v-1100mah-lithium-rechargeable-battery-1s-3c-lipo-battery-with-protection-board-pack-of-4

- SMA Pigtail
- Your choice of SMA antenna up to 10mm in diameter at the base

 

Recommended components:
- Heltec V3 Board + SMA Pigtail + Stubby Antenna [https://www.amazon.com/dp/B076MSLFC9]
 

Dimensions:
- 45.5mm x 64.6mm x 19.5mm [1.79in x 2.54in x 0.77in]
- 22g [0.78oz]

 

 

Tags



Model origin

The author remixed this model.

Differences of the remix compared to the original

UPFRONT!

I created a Discord channel for  my Thermal vision builds but will add a #meshtastic  channel there as well in case you have questions or problems. Please remain to the meshtastic channel for all sort of questions as all the other channels are ONLY for my thermal builds! 

https://discord.gg/Ce9BJ2DK3j

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I tried to work on the Remix from Oztamir, sadly opening the file was not possible, it was broken and damaged so I had to start fresh from the original design from muzi.

 There was also a problem with the snap in bars in the remix of Oztamir, one of the clips being stretched (I guess by accident)  that made it impossible for the snap in mechanism to slot in and so the side wall was pressed outwards with a unpretty bulge.

First off I enlarged the cavity for the 1100mAh battery like in Oztamirs remix , I then closed up the keychain hole that was left open for some reason.  I also enlarged the button cutouts as I was not able to get the buttons in without doing some filing. 

I also added a small slot in bar at the spot the keyhole was before for more stability.

Added inlays you can print in your favorite color and glue them in the 3 cutouts in the front.

Added a Screw cap to hide the screw port to give it an unbroken design appearance.

I also blanked out the original branding from Muzi (Not a big fan of big letter name brandings ;) 

Added a metal Clip you can apply on the back of the case with two metal rivets which makes the H1 the perfect “belt pager". 

If you don't own a Rivet tool to mount them I made my own which I also included in the files. ( print it with 60% infill and 4 outer layers so it can handle the smack of a hammer, it works really well!) ATTENTION!!:The rivets on the case inner side need to be flat so the battery still fits!! 

Head over to Muzis original Design as the buttons are NOT included in this Remix.

Metal belt clips:

/20pcs meetee 56x25mm Doppel löcher Metall Feder gürtel Holster Mantel Clip Verschluss Schnallen Zubehör mit 8mm Kappe Bolzen Schrauben (aliexpress.com) 

I also added a variant that houses a SMD buzzer 8.5x8.5x3MM 3V:

10 stücke smd Summer 5020 7525 8530 9650 1230 9032 3V 3,6 V 5V magnetischer Mini aktiver passiver Piezo-Summer Lautsprecher elektronisches Kit - AliExpress

Navigation switch for canned messages:

10pcs großer Kopf smd 3-poliger Stativ-Kippschalter für MP3-MP4-Telefon - AliExpress

I was not able to find the exact same ones I had so on the listed ones you have to cut of a bit of the half dome left and right, otherwise you wont be able to flip it far enough to both sides for a button press to be registered.  I also added two different sized protectors for it,depending on how deep you want to insert the navigation switch into the case.

Buzzer on the picture is a different one then listed and also is placed on a different spot, but I did not receive the ordered buzzers in time and harvested a similar one from a flashlight.  In the available file the buzzer goes into a slot on the right side underneath the antenna, wiring is the same ( if you choose the same GPIO pin I did!) 

 

There is only short bridging within the print, so no support material should be needed. Spots that do need support material was already implemented by me in the main file.

 

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