Enhanced Duplication tool

Input box and slider will affect each other, Reset button will reset to default

Construct event

text to slider bar, If input is larger than default value set the larger value as maximum value

slider bar to text, Changing the input box value in real time

Reset button, a button that resets the slider to default value. 

It has two modes circle mode and square mode, one will make a matrix and the other one makes a tube

Layout of the UI widget

Using For loop on XYZ to create Matrix, Multiply for loop index to Adjust the space

The entire Matrix duplication spawn logic

Final result

Circle duplication logic

You can adjust the radius, height and direction for the circle duplication

Set up the circle center Based on the selected actor, Think of this like a invisible actor,  I am responding more actors around this hypothetical point

Two layers of for loop once for Determines the radius the other one Determines the height

Changing the spawn angles and location based on the direction you choose

The entire circle duplication spawn logic

Final result

Getting the target actor and deleting the old duplicate actor after new apply

Applying the final calculation and duplicate actors