| File Type 1 |
Pattern File (Most common) |
| File Format |
File |
| Common? |
No |
| File Description |
Bitmap image used as a pattern that can be imported into multiple graphics programs; typically a square file that may be 8x8 pixels to 256x256 pixels in size; repeats to fill an area with the pattern; often used for creating a textured background. |
| Program(s) that open pat files |
Mac: Adobe Photoshop; ACD Systems Canvas
Windows: Adobe Photoshop; ACD Systems Canvas; Corel Paint Shop Pro; CorelDRAW |
| File Type 2 |
3D Patch File |
| File Format |
File |
| Common? |
No |
| File Description |
Three-dimensional model, similar to the .3DA format, but uses rectangular meshes (patches) instead of single vertices to represent 3D shapes |
| Program(s) that open pat files |
Windows: Autodesk AutoCAD; AeroHydro SurfaceWorks |
| File Type 3 |
Gravis UltraSound GF1 Patch File |
| File Format |
File |
| Common? |
No |
| File Description |
Instrument patch file containing voices that can be played back by Gravis GF1-based sound cards; supports up to 16 waveforms per instrument, but does not support multiple layers. |
| Program(s) that open pat files |
Windows: Gravis GIPC (Gravis to InterWave Patch Converter); FMJ-Software Awave Studio |
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