These models could be Add-On to: H0 Double Edge Platform Modules (separate downloads):
'Double Edge Modular Platform Basic Set 1-87 FDM color'
Attached are files for two versions of the model - on the platform and off the platform.
This is a design of a real object:
https://youtu.be/AnJcU7hG28k?t=1339
Models:
1) 128 3xSignalsHanger (2colors).3mf2) 128 Column 3colors (Ver4Platform).3mf3) 128 Column 3colors (VerNoPlatform).3mf4) 128 DoubleEdgePlatform (4colors).3mf5) 128 Ladder (Ver4Platform).3mf6) 128 Ladder (VerNoPlatform).3mf7) 128 Signals BLACK (4options).3mf8) 128 TripleOpenworkGrate BLACK.3mf9) 128 TripleSignalBridgeT.3mf
Scale: H0 (1/87)
Printer (my printer): Anycubic Kobra S1 with one Ace Pro (4 colors)
Colors1: (1) gray; (2) black/dark gray; (3) pink/red (4) white/yellow
Colors2: (1) green; (2) black (The colors are interchangeable, so you don't need a second Ace Pro)
What you'll receive after downloading the project: 3MF file: project Anycubic Next Slicer (based on Orca Slicer). This file contains a ready-made project for printing on a Kobra S1 printer equipped with one Ace Pro.
I assume that the project can be printed on other color FDM printers, not only the Anycubic Kobra S1, but I only have this printer and I have no way to verify it.
If you want to make sure you can print this design, download as trial the free platform module initial/end with barrier:
'Double Edge Platform end barriers modules 1-87 FDM color FREE'
3MF (3D Manufacturing File, filesize: 1.85 MB)