Modifying objects and clothing with OpenArt VFX

OpenArt Try it →Watch full video →OpenArt · Jun 2026

Demo summary

The tutorial shows how to adjust masks to allow the AI to change a cardboard box into an alien weapon and a subject's clothes into tactical gear using text prompts and reference images.

Step-by-step

Import your video into OpenArt
Select a mask to protect specific areas of the subject, such as the head or body
Click on Create with AI to generate a reference image
Enter a text prompt describing the desired background, objects, and clothing
Refer to the first frame and the original composition of the subject
Generate the image to apply the VFX to the video

Options

Mask only the head to allow the AI to change both clothing and background
Mask the subject's body to protect it while changing the held object and background

Tips

The mask doesn't need to be perfect; even a 'sloppy' mask can produce effective results for clothing and object swaps
Type a prompt that maintains the original composition of the room while describing the new elements

Highlights

“it didn't even really matter. This reference image was created the exact same way as before.”

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