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Wireframe overlay material

Build a material that renders every polygon edge as a glowing line over a base surface, with the line width in pixels or metres and an optional fade on surfaces seen edge-on. Use it for technical renders, topology presentations, sci-fi looks and blueprint styles.

Recorded render of Wireframe overlay material

What this component contains

  • ATTRIBUTION.md
  • LICENSE
  • README.md
  • component.json
  • graphcheck.py
  • material_wireframe_overlay.py
  • meshcheck.py
  • preview.png
  • test_material_wireframe_overlay.py
  • test_package.py
  • verification/native.json

How it works

Operator
baltor.material_wireframe_overlay
Parameters
material_name, line_color, surface_color, line_width, use_pixel_size, line_strength, fade_grazing, assign
Result
One material with a node tree; assigned to the active object.
Blender
4.2 or later
Axes
Blender Z up, -Y forward
Units
metres

Recorded checks

blender 5.2.1 LTS (hash 9e2066aef7ef built 2026-08-25 02:12:34)

  • addon_install_and_enable
  • operator_runs_with_defaults
  • blender_data_matches_core
  • addon_disable_unregisters
  • script_mode_runs
  • clean_reopen_addon_file
  • clean_reopen_script_file
  • gltf_separate_export
  • engine_output_clean

Limits to consider

Relies on the Wireframe shader node, which Cycles renders; EEVEE does not support it and shows the base surface only. Edges come from the triangulated render mesh, so n-gons show their internal triangulation. Lines are emissive and do not cast shadows. Rendered here with Cycles CPU only. Verified in Blender 5.2.1; written for the 4.2 API.