Brio Flex Railtracks

Not just another Brio Railtrack!
This Flextrack can be bend sideways, upways or downways to build curves, bridges and to overcome obstakles!
check out this short clip: http://youtu.be/rw0LYmu16r8

It's designed to be printed in single-line-style!
with superfast printing (300mm/sec @0.24mm) it takes 12min with regular printing (60mm/sec @0.2mm) it takes 35min

features:
- rail track can make 90 degree turns
- the running surface has extra ziczac's for smooth running
- the male and female connector do flex-press-fit
- it's lightweight and quite rigid!

this thing was made in tinkerCAD, go remix it! http://goo.gl/yPv6ve

UPDATE:
I made an extralong version! 195mm! Should still fit into most 3D Printers...
here's the tinkerCAD link: https://www.tinkercad.com/things/cEqGDwNPmII-brioflexrailextralong/

UPDATE:
https://www.youtube.com/watch?v=csqDdcoJBkI
New Video: Extra long Version, Printed with strong PLA-HI (https://creamelt.com/?product=c