Array Placement Tool is 100% made in blueprint. Allows You quickly place object on scene. It works similar to array modifier in Blender.

https://www.unrealengine.com/marketplace/array-placement-tools

With Array Placement Tools it is possible rapid placement elements like fences, columns, walls, trees, Lamps etc. on Yours levels. Thanks Blutility functions you can use array like stamp.

• Array Placement blueprint works similarly to Blender array modifier, It allows you to place number of elements in a row with relative, custom, object spacing. and fill out the desired length with equal spacing between items.
• Array Spline Placement blueprint allows you to place items on the spline points, fill length with equal spacing between elements or with declared distance.
• Array Circle Placement blueprint allows you to place several items on circle or arch.
• Pro Spline Actor allows you to place several items on one spline and decide how it will end, start, set additional mesh at points and set offset from spline.