OS-Railway is a complete railway kit in 1:45 scale (32mm track width) designed from the ground up to be fully 3D-printable! Everything from track, switches, locomotives and cars and accessories are specially designed to be printable.
Added several tracks, prepared build plates and a track-application tool that connects to the end of a track, for example via a turnout so you can easily add cars and locomotives to the track. I also fixed orientation on all the STL's so they end up correct in the slicer from the start.
Turnouts have been moved to a separate page to keep things more clear:
User McTimmi has made a configurable track page which is awesome! Check it out here:
http://www.thingiverse.com/thing:2221916 and you can make any length you want of the track!
Arc bridge and slope addon here:
10 part Slope
This is the page for track parts. Trains and other parts are uploaded to their own pages to avoid having too many files on one page
Locomotive in the picture: https://www.thingiverse.com/thing:2575667
Z70, a simple get-started locomotive: http://www.thingiverse.com/thing:2146425
Freight car chassis: http://www.thingiverse.com/thing:2152351
Freight car hopper addon: http://www.thingiverse.com/thing:2169327
Tanker car: http://www.thingiverse.com/thing:2235152
Passenger car: https://www.thingiverse.com/thing:2591362
Available now are:
300mm radius 30 degrees (need 12 to get a loop)
400mm radius 30 degrees (need 12 to get a loop)
The outbound track turns 30 degrees, so if you connect a 400mm radius 30-deg piece, it will line up with a 200mm straight so you get two parallel tracks.
The track gauge is 32mm (O-scale), however, 3D-printability is prioritized over scale. Here are some design aspects that have been adopted for 3D-printing:
Design for 100% infill. All structures (if not stated otherwise) are designed to use a minimum amount of material. The tracks for example, gets stronger and more flexible if you print them with 100% infill. They only consume about 1g/cm, which means you almost get 10meter track per kg roll! That probably beats most commercial track systems!
Designed for easy printing - There are many really nice models made for 3D-printing, but many of them require the printing of a large number of parts. In this system, the number of parts is strategically limited to minimize print time. The orientation and design of the parts is also specially made for the 3D printing process.
- Avoiding support - the aim is to organize parts and split models in such a way that the requirement for support structure is removed, or at least very limited.
This is just the first parts, many more will be added later!
Using lower layer height than 0,25mm will of course work, but it won't add strength or any useful aspect, so I recommend 0,25mm for a speedy print which will work perfectly. (atleast for me with the standard Prusa i3 mk2.)
If you feel that the tracks pieces are too difficult to connect, just sand or scrape with a knife on the parts until you get the result you want. Obvious, yes, but one thing that maybe isn't that obvious is that if you have a badly calibrated first layer, especially if it's squeezed, the extruded lines tend to be wider so you might need to trim it a bit. You can see this if you look at the bottom of the part if the edges stick out compared to the rest of the part.