Introduction:
Since the big Lego Purge, it was really hard to get any rail design from the internet, until now. Ive constructed any curved standard rail, “almost” in compliance with the L-Gauge standard ( http://l-gauge.org/wiki/index.php?title=Track_Geometry ). A big focus of attention was set to the connection between the different rails. It fits really well with tracks, of its own kind and other manufactures.
Settings:
- Layerheight 0.2mm or higher (otherwise, the connection wont work)
- 10% Infill should be enough
- No support, bridge speed 60 mm/s
- If your prints tend to warping (like mine do), I would highly suggest to use a brim or gluestick
- Ironing on the top layer
Choosing the Tracktype:
The file name has the following structure:
The unit of the radius is in Legoblocks (=8mm). The radius is meassured from the centerline of the track.Â
In this example the distance from the centerline of the track to the centerpoint is “72 Studs" = 576mm. The span of the track is α=11.25°. This means 8 tracks create a quater circle ( 8x11.25°=90° ) or 32 tracks create a whole circle.
In comparision the curved track from Lego has a radius of R40 (much smaller). A lot of trains don't like the radius and slow down, due to friction.
Straight Tracks only have the lenght in their file name.
Design Choices:
First of all, I didn't hollow out the “bricks” of the track, because I wanted to optimised the part for 3d printing. The tolerance between the interlocking parts ist almost everwhere 0.2mm. This gives a nice snug fit. The geomtery of the track, like the profile of the track or the arrangement of the plates, is given by the L-Gauge standard
P.S.: Â This is my first time contributing to the 3d-Printing Community, because the other things I constructed, weren't really usefull. Please hit me up, if you think, there is something wrong with my design, I am always open to constructive critique. You can also ask for custom tracks with your radius and span which I can construct and add to the pool of tracks
Train Track Rails, compatible to interlocking buildingbricks like Lego
by Carsten · original on Printables ↗
Toys & Games / Building Toys
♥ 179⬇ 1.1k🖨 9 prints
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R56_18.3mf
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S16.3mf
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R56_22_5.3mf
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R120_11_25.3mf
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S32.3mf
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R40_22_5.3mfDEFAULT
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R104_11_25.3mf
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R88_11_25.3mf
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R72_11_25.3mf
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S8.3mf
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R72_22_5.3mf
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R72_15.3mf
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