In addition to my signal series i made this base
The size is max 50mm height, length: 46mm, width: 33mm
Bore for the signal is 5mm so it works perfect for the signal-series i made.
I recommend to cut the model prior to 3d printing, i personally use the prusaslicer for this (see the attachted pictures).
Check out my signal collection here: https://www.cgtrader.com/3d-model-collections/german-railroad-hv-signal-series-complete-edition or search for the single models.
If you have any questions feel free to contact me, and i will answer as soo ans possible. The same for minor adjustments like the diameter of bore for the signal contact me after the buy and i will add the model.
The layerheight I used is 0.05mm 80% ABS like resin with 20% flex resin. but the flex resin in this case is not that necessary it is just my base mixture i use.
Only for Private Use. 3D files or 3D printed Models could not be given away for free or be sold!