These Sonoff switches are handy for automating dozens of things around the home, but occasionally they're too bulky to fit discreetly, and they're not exactly lookers if they have to be somewhere visible.

I've designed this to minimise the footprint to the absolute smallest size. The circular grill pattern keeps the unit cool and reduces weight and filament, allowing it to be printed in under 40 minutes on a modern printer. The holes also align with the function switch and the status light to minimise the depth of the unit while keeping it functional.

There are chamfered edges around the function switch and status LED to guide them through the holes when clipping the lid on, ensuring that nothing gets damaged.

The case is printed in PLA without supports or rafts. The PCB is simply placed in the base plate, and the top clips securely into place to create a compact solution.

Length is reduced from 88mm to 69mm
Width is reduced from 39mm to 37mm
Height reduced from 24mm to 21.5mm

**3D Print Settings**

- Filament: any
- Support: none
- Bed adhesion: only if you're printing on a non-stick frying pan
- Print time: 40 minutes on an Ender 3V3 KE, two days and five maintenance breaks if you're on an Ender 3 Neo.

Sonoff Basic Minibox

Sonoff space saver base v13.stl

This is a minimalist and quick-to-print solution for the messy cable/Bowden tube arrangement on the Ender 3. Doing this has prevented jams against the gantry and helped manage the cables without the excessive print and hassle of a cable spine. The Bowden tube can still move freely, and the cable mesh is only lightly gripped, so there’s no damage to the wires.

The clip locks in place with a forceful click but can still be easily opened again.

**3D PRINTING SETTINGS**
Filament: any
Temperatures: standard PLA values 200 to 225
Speed: whatever you printer can handle
Other: don't overthink it, just press the print button

Cable and bowden clip v11.stl

If, like me, you prefer to mount your spools on a surface above the frame of the Ender 3V3 KE to reduce vibration and make it easier to load filaments for multi-colour prints, this guide keeps the filament running smoothly regardless of where the spool is situated around the printer.

It slots easily and securely into the two screw holes that are no longer being used for the original spool holder.

3D PRINTING SETTINGS:
Any filament at whatever settings your printer is happy with.

Slot-in filament guide for Ender 3V3 KE

Ender 3V3 KE filament guide v29.stl

This is an X-axis mount for the Nebula camera on the Creality Ender 3V3 KE, which accommodates the bracket for the Creality Input Shaping Sensor.

The updated version slots onto the X-axis end-stop with a satisfying click and can be printed without supports. There are clips on the underside of the arm so that the Nebula cable can be routed discreetly.

v27 updates:
• increased size of cable clips
• increased thickness of top and bottom x-axis supports by 1mm

3D PRINTING SETTINGS:

Filament: Any, prints fine in PLA
Time: <90 minutes on Ender 3V3 KE
Supports: None
Bed adhesion settings: None
Positioning: Slice on its side as per the purple example in the main picture

Nebula Camera Mount for Ender 3V3 KE/SE - Input-Shaper Friendly

Ender 3 KE camera mount v27.stl

Sonoff space saver lid v14.stl

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Nebula Camera Mount for Ender 3V3 KE/SE - Input-Shaper Friendly

Slot-in filament guide for Ender 3V3 KE

Cable and bowden clip v11.stl

Sonoff Basic Minibox

Sonoff Basic Minibox

Cable and bowden clip v11.stl

Slot-in filament guide for Ender 3V3 KE

Nebula Camera Mount for Ender 3V3 KE/SE - Input-Shaper Friendly