Free Houdini 18.0 HIP: Any Curve to Coil with VEX (Hanjin Cho)

Overview

This Houdini 18.0 scene is entry 011 of Hanjin Cho's 100daysoffx series, showing how to convert any curve into a coil with VEX. The setup uses the curve's tangent and bitangent attributes to wrap a spiral around the input path in a VEX/VOP network, with controls for amplitude, period, phase, decay rate and a reshape ramp, expanding on the spiral examples in the Houdini expression cookbook.

The scene file is shared on Google Drive as a free direct download with no signup or payment. It is a compact procedural-modeling study for anyone learning VEX and attribute-driven geometry, and a handy base for shapes like springs or wrapped cables.