.R3D File Extension

2 file types use the .r3d file extension.
File Type 1

REDCODE Video File

Developer RED
3.3  |  37 Votes
Category Video Files
Format Binary

What is an R3D file?

Native video format used by RED high-resolution video cameras; compressed using REDCODE, an advanced wavelet technology codec that creates visually lossless images.

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RED cameras shoot in a resolution called "4K," which is much greater than 2K resolution supported by HD video. Therefore, R3D files may have much higher resolution than HD files. Because of this high resolution, RED cameras are commonly used for shooting modern cinematic films.

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Programs that open R3D files

Updated May 2, 2014
File Type 2

RISA-3D Model File

Developer RISA Tech
1.7  |  3 Votes
Category 3D Image Files
Format Text

An R3D file contains a structural 3D model saved in the RISA-3D format. It stores model data in keyword delimited format, which includes structural elements, load combinations, materials, building codes, and parameters. R3D files are typically created by RISA-3D, a popular structural engineering and analysis program.

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Screenshot of a .r3d file in RISA-3D 16
R3D file open in RISA-3D 16

R3D files are primarily opened in RISA-3D. They can also be opened and edited by a text editor. However, editing an R3D file with a text editor without error-checking features included in RISA-3D makes it more probable that syntactical errors will occur.

You can open an R3D file in RISA-3D by selecting File → Open.... You can create an R3D file in RISA-3D by selecting File → New then File → Save or Save As....

You can also export an R3D file in RISA-3D by selecting File → Export and choosing the format, such as DXF or SDNF.

Programs that open or reference R3D files

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Updated May 23, 2018

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