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Enclosure for DCC-EX Arduino Command Station - Customisable

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23 files (STL) Close
  • DCC-EX_Base_FanCooled.stl
  • DCC-EX_Base_Vented.stl
  • DCC-EX_Enclosure_FanCooled_NetworkShield_LCD.stl
  • DCC-EX_Enclosure_FanCooled_NetworkShield_OLED.stl
  • DCC-EX_Enclosure_FanCooled_NetworkShield__Double8874_LCD.stl
  • DCC-EX_Enclosure_FanCooled_NetworkShield__Double8874_OLED.stl
  • DCC-EX_Enclosure_Vented_NetworkShield_LCD.stl
  • DCC-EX_Enclosure_Vented_NetworkShield_NoScreen.stl
  • DCC-EX_Enclosure_Vented_NetworkShield_OLED.stl
  • DCC-EX_Enclosure_Vented_USBonly_NoScreen.stl
  • DCC-EX_Rear_8874_Ethernet.stl
  • DCC-EX_Rear_8874_USBonly.stl
  • DCC-EX_Rear_8874_WiFi.stl
  • DCC-EX_Rear_Double8874_Ethernet.stl
  • DCC-EX_Rear_Double8874_WiFi.stl
  • DCC-EX_Rear_OtherMotorShields_Ethernet.stl
  • DCC-EX_Rear_OtherMotorShields_USBonly.stl
  • DCC-EX_Rear_OtherMotorShields_WiFi.stl
  • Logo_DoubleShield_LCD.stl
  • Logo_DoubleShield_Oled.stl
  • Logo_SingleShield_LCD.stl
  • Logo_SingleShield_Oled_Or_NoScreen.stl
  • Logo_Single_ShieldNoNet_NoScreen.stl

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Last update 2025-05-09 at 21:23
Publication date 2025-03-28 at 18:48
Design number 2862156
coventry_railworks

coventry_railworks

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3D printer file info

3D model description

After much interest in my enclosure design from the DCC-EX community online, I have responded to requests to make these available to , and now you can! This collection of files allows you to build various configurations of enclosure depending on:

Your desired rear connections (USB only, Wifi or Ethernet)
Motor Shield brand (ExMotorshield 8874 or others)
Choice of cooling method (ive cooling vents or fan cooling)
Choice of screen (no screen, OLED 128x64 or LCD 20x4)
Combinations of all these allow you to fully customize your enclosure depending on what hardware you want to build it with.

A 4 pin JST-XH socket can be added to the rear s to facilitate connection to i2c peripherals or breakout boards.

For fan cooling, you will need a 40x10mm fan of your choice. I personally recommend the Noctua NF-A4x10 5V due to its quiet and efficient running, which you can run from the power terminals of the Mega, or connect to a 5V temp sensor/fan controller module of your choice.

Assembly Tips:

  • Push the pugs of the rear into the slots on the base after you have seated the Mega and shields on the base.

  • Remove the plugs from the power terminals of the ExMotorShield 8874 before mounting the rear .

  • If you are not using dual extrusion for the DCC-EX logo, use the "Merge" function in Cura or similar after you have assigned materials.

  • To mount the OLED, place it near the connectors and push sideways, it should snap in neatly.

  • Make sure to cut away and stringing or "tower" artefacts to ensure proper fit.

  • You may need to file down the bars on the rear lugs of the base if the fit into the enclosure top feels too tight.

  • You can use self adhesive 8mm silicone feet pads on the four marked areas of the base for a portable unit.
    Four holes are included in the base for permanent mounting.

V1.1 UPDATE:

14th April 2025: I have changed the lugs on the base parts slightly, as people were reporting that the fit was too tight. If it's too loose in your build, just put a blob of putty adhesive (eg Blu Tack) on the ends of the lugs where they will press against the upper case. This way you can at least get the case open easily.

V1.2 UPDATE:

6th May 2025: According to I have added a bar that prevents the top of the rear from being pushed in. Logo files are now named as per their position so that you can import them into your slicer using their original positions, and then merge them for dual extrusion.

V1.3 UPDATE:

09th May 2025: I've had reports of lugs on the base breaking off when the case is opened. I have updated all the enclosure tops so that the rear portion of the holes into which the lugs slide are larger and longer, meaning that when the base part is pulled back fully it should pop out much more easily without stressing the lugs.

3D printing settings

Best in 0.15 - 0.2mm layers in PLA.

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