Install

1. Unzip Loop_FX_Materials_v1.0.zip somewhere permanent. Keep Loop_FX_Materials.blend and blender_assets.cats.txt in the same folder.
2. In Blender: Edit › Preferences › File Paths › Asset Libraries, click + and choose that folder.
3. Open an Asset Browser, pick the library, then the LoopFX catalog.

Without the asset library: File › Append › Loop_FX_Materials.blend › Material.

Use

1. Drag a material from the Asset Browser onto your object.
2. Set the scene length to the loop length: Frame Start 1, Frame End 120 (Energy Shield, Sci-Fi Screen, Alarm Beacon, Laser Scan) or 240 (Portal, Plasma, Pool Caustics). Any multiple also loops.
3. Press play or render. The last frame flows back into the first.

How the time works

Each material reads time from a Value node labeled Temps (time), driven by the frame number (the field is purple). The first Divide node after it sets the loop length.

• Change the loop length: change that Divide value (for example 120 → 240) and set Frame End to the same number.
• Change the speed and keep the loop: only use whole numbers for the multipliers of t (× 2, × 3…) or whole turns (6.2832 = one turn). × 1.5 breaks the loop.

Settings per material

Using them on your own objects

• Sci-Fi Screen and Portal use UV coordinates: use a plane or any UV-unwrapped mesh.
• The other materials use object coordinates and need no UVs. Scale the object, not the mesh, to keep the look (or apply the scale with Ctrl+A › Scale).
• Alarm Beacon turns around the object's Z axis: put the object's origin at the center of the dome.
• Laser Scan goes from Z −1.3 to Z +1.3 (object space): widen these values for taller objects.

Exporting a seamless loop

1. Frame Start 1, Frame End = the loop length (or a multiple).
2. Render the animation. For a video: Output › FFmpeg Video, H.264.
3. In your editor or on social media, set the clip to repeat: there is no jump between the last and first frame.

Troubleshooting

• Nothing moves: check that the field of the Temps node is purple (a driver). This simple driver does not need "Auto Run Python Scripts".
• Grain in transparent areas (EEVEE): Material › Settings › Render Method › Blended for Energy Shield and Portal.
• The loop jumps: the scene length is not the loop length, or a multiplier of t is not a whole number.
• Stretched Sci-Fi Screen or Portal: the object has no UVs or uneven UVs. Unwrap it (U › Unwrap).
• The file does not open: it needs Blender 5.1 or later.

Support

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