Browser CAD/CAM for a pen plotter

Draw or import line art, then drive a plotter — in one browser tab. Build the path planner and the G-code, with a simulator so no plotter is needed.

Requirements

Import SVG paths; draw simple shapes; edit points

Path optimisation: order paths to minimise pen-up travel (a greedy pass is fine, a better one is bonus)

Generate G-code for a pen plotter with pen up/down as Z moves, configurable feed rates

A simulator that animates the pen and reports total travel and time

Export the G-code and the optimised SVG

Hatching: fill a closed shape with parallel lines at an angle

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Intermediate

GoShip's MCP server tracks how you interact with AI — not your code. Connect it to get scored and improve your workflow.

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