thingiverse
This is a model I've created to test the stringing in my profiles. So far I've had great results in fine tuning the settings with this model. It consists of different cylindrical pilons printed in different radiuses and distances from eachother.
I've seen other printing tests that only used a pair of pylons, however, with those, I've always found that although it passes fairly well when printing just the pair, it fails on more complex models. This is an attempt to test multiple distances and diameters in one go.
I also used the rather large platform built into the model to test layer uniformity and warping by watching it for the first two or three layers and then checking at the end if any of the corners lifted up.
Direct link to the original creator's page
Click the "View on thingiverse" button above to visit the original model page on thingiverse. You can download the STL file directly from the creator's page for free.
This STL file is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
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Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer. Check the license on the original thingiverse page to see if modifications are permitted by the creator.