Stopper to prevent spool from fall.
Stopper to prevent spool from fall for double-sided "Filler".
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updated
January 22, 2026
Summary
PDFStopper to prevent spool from fall for double-sided "Filler".
Model origin
The author remixed this model.
Differences of the remix compared to the original
Stopper to prevent spool from fall for double-sided “Filler” when using it with single-lever bracket.
