Switch_Panel_7x_Round_Switch_20mm

Switch Panel / Button Box for Model Railways – 7-gang Round Switch (20 mm)

This 3D-printable switch panel is designed for simple switching tasks on model railways – e.g., for siding tracks, lights, or simple light signals without coils.
Ideal wherever simple ON/OFF switching is required.

The housing is compact, stable, and designed for installing 7 round rocker switches.

✔ Features

• 7 Switch Slots
• Bore per Switch: 20 mm
• Suitable for standard round rocker switches
• Recess on the underside for clean cable routing
• Mounting holes for 3 mm screws (M3)
• Front labeling directly integrated into the model

✔ Area of Use

Suitable for e.g.:

• Siding tracks
• Lighting
• Light signals without magnetic coils
• other simple switching functions on the model railway

Not intended for turnout drives with coils or high currents – this depends exclusively on the switch used.

✔ Customize Labeling

The labeling on the front (e.g., "Neustadt Hbf", "N1–N7") can be directly customized in Bambu Studio.
This allows for easily entering your own station names or individual designations.

✔ Used Switches

Tested with the following round switches (20 mm installation):

https://www.amazon.de/dp/B0DB1YPFDP

✔ Assembly

• Insert switches from the front
• Internal wiring
• Route cables through the opening on the underside
• Secure housing with M3 screws

✔ Printing Tips (recommended)

• Material: PLA or PETG
• 0.2 mm layer height
• 3–4 perimeter
• 15–20 % infill
• Printing possible without support

This switch panel is intentionally simple and robust – perfect as a clear control panel for small and medium-sized model railway layouts.