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Celtic3d Knotwork Free is the complete flat-knotwork tool: grids, breaks, ribbon and cord strands, weave and relief, the base plate, and STL, OBJ and SVG export. Personal and commercial use. It needs no licence key and makes no network call.

Create a free Celtic3d account, or sign in if you already have one, and the download follows. The newsletter tick-box is optional and does not affect the download.

Before you install: Knotwork runs inside Blender 5.2 LTS (free, Windows, macOS and Linux). Install Blender first, then add the downloaded zip through Edit → Preferences → Get Extensions → Install from Disk. The plaque tutorial is a good first project.

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Need the closed shapes — rings, cylinders, toruses — or bevelled and custom strand profiles? Knotwork Pro adds them for £25 / $34 a year. Questions: support@celtic3d.com.