THE SPOOL LIST STL CHECKER
RUNS 100% IN-BROWSER

Is your model printable?

Drop in an STL. We scan the geometry for holes, non-manifold edges and bed fit — instantly, privately, nothing leaves your device. Then get real quotes from verified makers.

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Drop your STL here

or

Binary & ASCII · max ~80 MB

surface open / non-manifold edges

Your printability report appears here once a model is loaded.