Category: 3D Printing & 3D Modeling

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3D Printing/Modeling and Electronics – Welcome Door Light for Mercedes Benz W211 & C219 Models

Mercedes-Benz W/S211 (E-Class) & W219 (CLS)
3D-Printed Welcome Door Light Bracket with Custom Electronic PCB

Having trouble finding a compatible shadow light (also known as door light or welcome light) for the Mercedes-Benz W/S211 (E-Class) or W219 (CLS)?
You’re not alone—there’s virtually nothing available online or in stores.

But here’s the good news: it’s entirely possible to 3D print and assemble your own custom shadow light bracket, designed to fit plug-and-play into the existing festoon (Soffitten) bulb socket—no modifications needed.

Required Components for the Custom Shadow Light

    • Ball head screws (Tamiya Ball Connector 5mm, SP-592)
    • 0.055 mm² wires in various colors
    • CAN bus-compatible LED driver module
    • LED projector with your desired logo
    • V2A micro countersunk screws (1.2 × 6 mm)
    • Soldering iron and a bit of skilled craftsmanship

🔧 The STL files for 3D printing the bracket are available for download on Thingiverse.

Initial Situation

The following festoon bulb (Soffitte) and cover are factory-installed in the door bracket of the Mercedes-Benz W/S211 (E-Class) and W219 (CLS).

The 3D models

    • Bracket
    • Lid

Assembled 3D Print with CAN Bus Module and LED Logo Projector

The Final Result

Electronic Module – Circuit Board (PCB)

This custom circuit board is built around a central PT4115 step-down LED driver, which regulates power using an inductor (coil). This design ensures that energy is efficiently managed and not dissipated as heat.

A Glass Passivated Bridge Rectifier (MB10F) is integrated to provide reverse polarity protection, allowing the Shadow Light to function correctly even if installed with reversed wiring.

Ressources

3D plan and construction:  AutoDesk Fusion 360
3D printer: Anycubic Mega S
Filament: Form Futura TitanX ABS

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3D printing – Mercedes Benz W/S211 sport package rim in 1:18

Mercedes-Benz W/S211 (E-Class) Sport Package Rim – 1:18 Scale

If you’re lucky enough to own one of the rare 1:18 scale models of the Mercedes-Benz W/S211, but it’s missing the correct sport package rims, you can download the custom-designed parts from Thingiverse.

The rim is split into three printable parts, optimized for FDM (layer-based) printers.
If you’re using an SLA printer, I can also upload a single-piece STL file upon request.

STL files are available for free download on Thingiverse.

The sport package rim in 1:18

The rim bed width varies between the front and rear axles—just like the original vehicle—so there are separate 3D models for each axle position.

The 3D models

The result

Ressources

3D plan and construction:  AutoDesk Fusion 360
3D printer: Anycubic Mega S
Filament: Form Futura TitanX ABS

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Apple MacBook Air 2018 30W USB-C Power Adapter Cable Holder

Apple MacBook Air 2018 – 30W USB-C Power Adapter Cable Holder (3D Printed)

When Apple decided to leave out the cable holder on the 30W USB-C power adapter, you’re left with one option: design and 3D print your own.

This custom-made cable holder clips securely onto the adapter, helping you keep your charging cable organized and tangle-free.

The STL file is available for free download on Thingiverse.

The 3D model

The 3D print

The result

Holds the cable where it should be. 🙂

Ressources

3D plan and construction:  AutoDesk Fusion 360
3D print: Anycubic Mega S
Filament: Form Futura TitanX ABS