Observed arrival · 2026-11-10
ViewGcode: Inspect a toolpath before it moves
A browser-based viewer that opens G-code and NC files, draws their toolpaths in 2D or 3D, and plays movements back step by step.
- For
- 3D-printing and CNC operators checking toolpaths
- Worth noticing
- It flags unsupported parameter expressions, canned cycles, splines, and transforms instead of guessing how they move.
Field notes
The page describes a workflow from selecting a local file to inspecting its drawn path, replaying movements, and jumping between a movement and its source line. It names supported commands and explains handling for units, arcs, coordinate offsets, and extrusion. The stated limits matter: unsupported parameter expressions, canned cycles, splines, and transforms are skipped with warnings, while CNC feed moves do not reveal whether the tool is cutting or passing through air.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue