DXF Desk - will this flat part actually cut?

Drop the DXF of a flat part you are about to send to a laser cutter, a waterjet, a CNC router or a plasma table - or paste it - and get it order-ready in one sitting. A real ASCII DXF reader runs free in your browser: it tokenises the group-code stream into pairs, reads the HEADER variables so $INSUNITS and $MEASUREMENT decide millimetres versus inches instead of a guess, reads the LAYER table, reads BLOCKS and expands every INSERT into model space with its own translation, rotation and scale, keeps a CIRCLE exact whenever the transform was a similarity and degrades it honestly when it was not, turns polyline bulges back into real arcs, and refuses binary DXF and DWG by name rather than parsing them into nonsense. Then it stitches the entities into closed contours and reports the ones that DID NOT CLOSE with the size of the gap and both endpoints - the single most common reason a cut file is rejected by a shop. It measures the part outline, the net area, the cut length, the pierce count, every opening's diameter and centre, the narrowest neck on any contour, the closest approach between two contours, the clearance from each opening to the part edge, the tightest internal corner a tool would have to reach into, and the flange either side of every bend line - then checks each against a published sheet-metal minimum expressed as a multiple of your material thickness, with the ratio and the arithmetic shown. It quotes no prices and claims no vendor's catalogue. Free exports with no account: the read-out as Markdown, contours, rules and flags as CSV, the whole measurement as JSON, and a rewritten R12 DXF holding only cut geometry and bend lines. Four AI lanes then run over the same file: read what it contains, check it will cut, correct the part with a parametric build123d script, or build the order packet. Every contour, layer, bend and rule the model cites is checked back against your file, and it must answer for every critical and high flag the browser raised. A derived work inspired by the @earthtojake/dxf, @earthtojake/sendcutsend and @earthtojake/cad agent skills; not affiliated with those authors, with any fabrication service, or with Autodesk.

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