New in Carbon (Drop 2)
Box Gradient is a really useful new content type in HDR Light Studio. It provides a blended vertical and horizontal ramp.

Here are some effects you can create using it:
Bulb content, using Box Gradient on Alpha Multiply to create a light grid
Uses Step interpolation on the ramps

Bulb content, using Box Gradient on Alpha Multiply to create soft light grid
Uses default Cosine interpolation on the ramps

Bulb content, using Box Gradient on Alpha Multiply to create more light character

Bulb content, using Box Gradient on Alpha Multiply to create vertical lines

Bulb content, using Box Gradient on Alpha Multiply to create graduated soft vertical lines

Soften edges of Bulb content, using Box Gradient content on Alpha Multiply

Soften edges of Image content, using Box Gradient content on Alpha Multiply (Left: Before, Right: After)

Soften edges of Image content, using Box Gradient content on Alpha Multiply
In this example part of a HDRI map has been added to another
