# Limitation of LineBasicMaterial#linewidth [LineBasicMaterial#linewidth – three.js docs](https://threejs.org/docs/index.html#api/en/materials/LineBasicMaterial.linewidth) > Due to limitations of the [OpenGL Core Profile](https://www.khronos.org/registry/OpenGL/specs/gl/glspec46.core.pdf) with the [WebGL](https://threejs.org/docs/index.html#api/en/renderers/WebGLRenderer "WebGLRenderer") renderer on most platforms linewidth will always be `1` regardless of the set value.