This desing is not compatible with real commercial tracks, but you're kid should still have fun with.
For the curves, I used support material. Once printed, I used a heat gun to soften it and give it a shape.
The walls are may be too small for the curve. but it works.
https://www.youtube.com/watch?v=1B2_3OG8UNo&feature=youtu.be
| hotwheeltrack.stl | 28.3KB | |
| left_curve.stl | 83.9KB | |
| right_curve.stl | 83.9KB | |
| wall_bracket.stl | 94.8KB |
