Describes a texture that is placed on one of the sides of the Part it is parented to. It was released on May 14, 2008.[1] There is another API similar to Decal, 
Texture, that does the same thing as a Decal, but instead of making the decal bigger as the BasePart gets bigger, it duplicates the image as the Part gets bigger.
Usage
When submitted, your decal must be reviewed before it is available. You can create decals by going to the "Decals" tab under the Develop section. Once you have reached there, use the "Choose File" button to find the picture you want to use. It will add the decal to your account as soon as you click "Upload". Decals can be used in Roblox Studio, and even some games such as Welcome to Bloxburg which accept searching and Copy + Paste for decals, which can be used for pictures.
Adding a Decal to a Part.
The original decal uploading page from 2008.
Properties
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The color of the decal.
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How much light will appear to reflect off of the decal.
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How light will react to the surface of the decal.
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The image that shows on the decal.
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How visible the decal is. 1 is completely invisible, while 0 is completely opaque.
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History
Before May 2008, users could only see their decals in solo mode. To upload their own decals, they had to create Classic T-shirts and use the image created by it.
On May 14, 2008, Matt Dusek announced support for user-created Decals. Decals could be created easily now with the Decal Builder and they had their own category in the avatar shop. Since then, Decals have been moved to the "Develop" section, as well as being moved from the Catalog to the Library.
Use in hacking
When exploiters use decals, they would usually place a decal on one of the bricks and then put the same decal on every brick in the game has so it would lag, which often occurs in popular games.
External links
- Decal on the Roblox Developer Hub
- Decal in the Roblox API Reference
