TT

Scale 1:120 on a 12 mm track gauge, between H0 and N. The name comes from 'table top'.

Dutch

TT

German

TT

Example

In the Tillig TT system the curves range from R01 at 267 mm (83116) to R31 at 396 mm (83111).

Tillig TT: articles, geometry and the track planner

Articles using this term

• Cork and sound deadening under your track
• DC and AC: two-rail and three-rail explained
• The tightest curve radius in N and what it means for your baseboard
• The helix: gaining height in little space
• A TT layout on 140 x 70 cm: what fits?
• Gradients: how steep can a model train climb?
• Left, right and symmetrical turnouts explained
• Terminus or through station?
• Passing loop: how two trains pass each other
• Your layout will not close: a gap of a few millimetres
• Double oval: two trains at once
• The figure eight: crossing or bridge?
• H0, N, TT or Z: which scale fits your space?
• The dogbone: a long run on a narrow baseboard
• Track spacing: how far apart do two tracks lie?
• How to make a track plan in seven steps

See also

• HO
• N scale
• Scale