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Heat Creep: the clog that's not a clog

  • Writer: Matthew Duffey
    Matthew Duffey
  • Apr 25
  • 1 min read

Your extruder starts clicking four hours into a long print, the nozzle pulls clean, and you spend the next week drying filament that wasn't wet to begin with. Heat creep is the most misdiagnosed failure mode on consumer FDM printers — and the fix is a five-step ladder, cheapest first.


 
 
 

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Enjoyed this? I don't just write about additive manufacturing — I build with it.  

 

Five machines. 8,400+ hours of refining materials with purpose and intention — from cosmetic PLA to carbon-filled PCTG — it produces real results.

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A decade of industrial AM applied to everyday life — from aerospace to your family's front door.

 

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