Update March 5,2016

Three tools was published.

Crossroads

Create crossroads with overlapped faces of two roads.

CrossRoads

CrossRoads_Sample

LoftSplines

Create a surface with splines parallel with each other.

Create a surface with parallel splines

IrregularStair

1.Create stair with style lines which can be splines or inner edges of selected faces of polygon 2.Pave steps along a curve path.

Create Stair by parallel splines

Create Stair by split polygons

Pave stair along a curve