Modules/Curves/C3

C3 · Wide quarter curve

Turns the track by 90° on three steps, and four of them make the big spiral.

A quarter circle of 150 mm radius. Four C3 stacked with the right heights form one full turn of the large spiral.

Footprint
3 x 3 steps
Drop
15 mm
Moving parts
none
Print
PLA, no supports, 4.2 h
Bought parts
none
Variants
C3L, C3R
C3 Wide quarter curve, rendered from the CAD model

The marble meets the outer wall of a C3 only above about 1.5 m/s. In Round One that speed is reached once, right after the lift, and a brake takes it out again.

Other curves

All 32 modules

Want one? Join the waitlist.

Price and launch date go to the list first. One mail a month at most, unsubscribe any time.

What are you interested in?

We store your address to tell you about the kit. Nothing else. Privacy