LEGO · Duplo · 44 mm
LEGO Duplo train track: track planner from your own stock
13 items with verified geometry. Enter what you have, let the Auto-designer lay ovals, passing loops and stations, and view it in 3D at your table size.
Open the app · Track plan generator · 6 LEGO Duplo train track plans in the Railfolio · Duplo train track ideas
Track plans with LEGO Duplo train track
6 example plans for LEGO Duplo train track, laid by the Auto-designer or from a checked recipe, each with table size and number of pieces. Open a plan to see it full size; with a free account you can download the parts list.
Oval R256 with passing loop, plus 2 passing loops
260 × 170 cm · 53 pieces · 6 turnouts
Dogbone on R256, plus 2 passing loops
260 × 150 cm · 46 pieces · 4 turnouts
Diamond on R256, plus 2 passing loops
240 × 170 cm · 42 pieces · 4 turnouts
Duplo oval with passing loop
120 × 80 cm · 22 pieces · 2 turnouts
Duplo oval steam train 10874
85 × 70 cm · 14 pieces · 0 turnouts
Duplo circle of 12 curves
70 × 70 cm · 12 pieces · 0 turnouts
What the Auto-designer gets out of a typical LEGO Duplo train track drawer
Station with two platforms on R256, plus 2 sidings
40 pieces · 6.7 m of track
2x 6377, 18x 6378, 4x 6392, 4x 6393, 4x 35966, 2x 35967, 6x 51943c01
Diamond on R256, plus 2 passing loops
38 pieces · 6.4 m of track
20x 6378, 6x 6393, 8x 35966, 4x 51943c01
Dogbone on R256, plus 2 passing loops
38 pieces · 5.7 m of track
2x 6377, 24x 6378, 6x 6393, 2x 35966, 4x 51943c01
From the TrackDrawer Guide
Geometry
| Radius | mm | Curve | Angle |
|---|---|---|---|
| R256 | 256 | 6378 | 30° |
Power: geen (duwtrein of batterijloc). Roadbed width 64 mm. Parallel spacing 68.59 mm.
Turnout pattern: 51943c01 / 51943c01 with counter curve 6378; compensation 6378.
7 combinations are recalculated on every build: circles that close, turnouts that land on the parallel spacing.
Items (13)
Straight track
- 6377 Straight track 128 mm (8 studs)
- 35965 Straight track with plate 128 mm (for action brick)
- 35966 Slight slope 256 mm (16 studs)
- 6392 Ramp (lower bridge part, 320 mm)
- 6393 Upper bridge part (span, 192 mm)
- 6391 Level crossing (straight track under road plate, 128 mm)
- 4563 Straight track 176 mm (older generation, 4 x 11)
- 4665 Straight track 48 mm (older generation, 4 x 3)
Curves
- 6378 Curved track R256 30°
Turnouts
- 51943c01 Y switch (no straight route)
- 6379c01 Y switch with spring (older generation, 1993-2003)
Crossings
- 6376 Crossing 60°
End pieces
- 35967 Buffer stop 64 mm (rail stop)
Source: Geometrie: senegrom/duplotrain (GitHub; opgemeten en uit de LDraw-bibliotheek: rechte 128 mm, bocht 30° R256, kruising 60°, Y-wissel 2 x 30° R256, oprit 320 mm, overspanning 192 mm, stootblok 64 mm, helling 256 mm) en onemetre.net 'Duplo Track' (generaties en 12 bochten per cirkel). Onderdeelnummers: BrickLink en Rebrickable. Setinhoud: brickset.com inventarissen 10882, 10874, 10875, 10872, 10426, gecontroleerd 3 okt 2026.
TrackDrawer is not affiliated with Gebr. Märklin & Cie. GmbH or any other manufacturer. Item numbers and dimensions are factual product data, with sources cited in the catalogue.