Generated comparison of the five DRG signal families in the v0.1 study, showing nine fixed configurations.

Five signal families in nine fixed configurations · generated study v0.1.

Digital model In development

DRG Signal Sketches

Revision 0.2

Five DRG signal families in nine fixed N-scale configurations, updated development study v0.2 with lighting provisions and revised housings.

Delivery
Digital files
Updates
Versioned releases
Licence
Personal use

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Model details

Railway equipment · N scale · Revision v0.2 · Reference collection

A family of fixed signals for layout planning and scenic use.

This collection contains five signal families in nine static configurations for the Bock-Wallendorf–Lichte modelling project. It is a selection and trial-print study, not a proven historical inventory for one station.

Current revision

v0.2 provides 28 STL files across the nine alternatives. It adds upper lamp shades, shallow wiring grooves, revised blocking-signal film openings and rear covers while retaining fixed poses rather than operating mechanisms.

Print approach

  • N scale 1:160 only; do not uniformly rescale manufacturing details
  • 0.2 mm nozzle and 0.08–0.10 mm subsequent layers are trial assumptions
  • 0.20 mm first layer and 0.00 mm brim-object gap on the Bambu A1
  • Start with the supplied coupon and a low blocking signal

Verification status

All 28 print parts pass digital mesh and nominal assembly checks. Physical print resolution, lighting performance and historical station-specific placement remain unverified.

Before it reaches your workbench

A few useful things to know.

Is this a physical model?

No. This catalogue is for digital model files, not a printed kit. When a release is available, its listing will describe the files and documentation included in the download.

Which scale and printer should I use?

Check the model details and release notes for the available scales and tested print settings. Use a scale-specific version where supplied: small features and assembly clearances do not always work when a model is simply enlarged or reduced.

Does the picture show a finished print?

Model previews may be digital renders. Refer to the image description and release notes to distinguish a digital model from a physical print test. Development previews are not a promise that every part has been printed.

What should I keep after downloading?

Keep a backup of the original release package together with its version number, licence and assembly notes. Read the instructions before arranging the parts in your slicer.