Para 3d v3.0 offers new function which allow users to create parametric meshes by giving a set of vertices. In the beginning of the video I managed to create a SIN curve using math controller and in the second part a parametric mesh creates an envelope connecting the frames.
Parametric trusses using pattern controller
Pattern controller in Para 3d v3.0 allows users to interweave result of other controllers by user defined pattern, in this video you see how to use the pattern controller to switch between two splines of a curve. The curves themselves belong to another array and a parametric array link controller is extracting them from the [...]
Spiral stairs
As some users are asking for basic tutorials, I have decided to redo some old videos which was based on old interface of Para but using the new version. These practices are very short and quick just to recover some basics from old videos. Old version : New version:

Array on curves inside another array
In this video I’m creating a curve network. A curve network consist of a series of curves which has been assigned to curves from another array. Also you learn how to use Xform modifier to transform selected vertices of a shape object. PART I PART II

Bird’s nest Stadium
This video explains use of PARA 3d to create a fully parametric concept model of bird’s nest stadium. You can control all aspects of geometry and create multiple variations in less than one second! PART I Introduction PART II Creating the base object in 3ds MAX PART III Generating pattern using Para 3d

Converting vectors to scalar
In early versions of PARA 3d you could derive scalar values directly from the curve controller. In new version this function is not available and you need to use Convert controller to convert vector outputs like Position/Rotation to the scalar type for use in scalar properties.
Animated DNA using PARA link
Complex result can be achieved by linking two or more parametric array together. In this video we use PARA link controller to connect two independent array with a line segment. This can also be used in animation.
Curve Controller Part 1
This video demonstrate two different methods of curve subdividing. first method takes the number of divisions and the second method works with the length of subdivisions.
Loft objects in PARA 3D
This video shows the potential of using Loft object in Parametric array. If you array the loft object PARA cannot find the information about the PATH object (base line) To get access to the vertices of the path object you need to animate the object before you use it.

Curve as magnet
Magnet controller can take a curve controller as source of magnetic effect. Instead of picking magnet node assign a curve controller to the Reference Controller channel and set the curve controller output to closest point.