Heat Creep
Silk filament might expand more than other filament types and can be affected more by Heat Creep.
Also see Hotend Cooling Fan.
Supporting Documentation
Videos:
- Heat Creep - 3D Printer Troubleshooting - Chris's Basement
- Heat Creep - 3D Printer Problem Solved - extrusion problem - bad layers and layer adhesion problem
Never clog again!! 2 easy tips to solve a clogging all metal hot end!
- Heat Creep is HARD to Detect! - PrintFailFriday S1E12
- Sensing Heat Creep in a 3D Printer Hot End