LEGO Compatible Parametric Ballasted Curved Train Tracks
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Openscad parametric design for ballasted curved train tracks
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- Printables
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- Building Toys
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Openscad parametric design for ballasted track curves
Options to do one layer of ballast to allow it to float on tiles, or one and a half layers of ballast to let it float on baseplates.
Edit May 6, 2026:
Fixed some clearance issues with the inside of the ballast when fitting injection molded track
Edit October 7, 2026:
Take a pass over the whole file, break out a lot of hard-coded options into parameters so they can be adjusted by the end user. A nightly build of openscad is suggested since it is SO much faster at rendering parts
Any gauge (1-10 studs)
settings to tweak stud size for better clutch
pulled the full -TRACKS into the name field so you can put whatever you want there, or fully remove it
options to print more parameters on the bottom, in case you forgot what you printed
option to enable clips on ballasted parts
option to disable sleepers (nice for when doing fully ballasted tracks) the ballast's studs will take over and fill out the area properly
option to disable the axle holes
option to adjust tolerance when printing ballast with no track