# makeMeshInstance(meshPart:pipeline:geometryArguments:surfaceArguments:lightingArguments:transform:sortCategory:) Creates a drawable mesh instance pairing a mesh part with a compiled pipeline state and optional per-draw argument tables. ``` final func makeMeshInstance(meshPart: LowLevelMeshPart, pipeline: LowLevelRenderPipelineState, geometryArguments: LowLevelArgumentTable?, surfaceArguments: LowLevelArgumentTable?, lightingArguments: LowLevelArgumentTable?, transform: simd_float4x4, sortCategory: LowLevelMeshInstance.SortCategory) throws -> LowLevelMeshInstance ``` ## Parameters `meshPart` The mesh part this instance draws. `pipeline` The compiled pipeline state used to render this instance. `geometryArguments` The argument table bound to the geometry modifier stage, or `nil` if none. `surfaceArguments` The argument table bound to the surface shader stage, or `nil` if none. `lightingArguments` The argument table bound to the lighting function stage, or `nil` if none. `transform` The initial local-to-world transform of this instance. `sortCategory` The category (opaque or transparent) for sorting. ## Return Value A newly created [`LowLevelMeshInstance`](/documentation/RealityKit/LowLevelMeshInstance). ## Discussion Pass `nil` for any argument table stage not required by the material. > Throws: An error if the pipeline or argument tables are incompatible with the render context. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)