SR800 replacement knob

This is a knob to replace the original one that is shipped with the Fresh Roast SR800 roaster.
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updated January 5, 2025

Description

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This design is intended to provide for improved precision while adjusting the fan and power settings of the Fresh Roast SR800 and SR540.  It is a simple press-on replacement for the original knob that is shipped with the roaster.

It fits a standard EC11 switch/encoder with 15mm shaft.  If the print is loose on the shaft, try adding some scotch tape to the shaft.

Note: Print WITHOUT supports (removing them could be tricky, leaving remnants that would interfere with the fit.)  I printed with PETG.

Updated Jan 5, 2025: Increased clearance to the shaft base, to avoid interference during the push-button travel.

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The author marked this model as their own original creation.

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