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KUO refractor large fine focus knob — image 1
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KUO refractor large fine focus knob

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This is a friction fit large fine focus knob for KUO-made refractors (Svbony, Astro-Tech among others).

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Model information

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This model friction-fits over the fine focus knob of KUO-made refractors. The larger size allows for easier control when wearing gloves, and even allows you to roll one finger across the top rather than turning your wrist.

Depending on your printer settings, you may need to tweak the scale in your slicder to get the right fit. It should require some effort to get on when the print is warm, and should not be loose enough that it can slip off. 

The sample image was printed with basic PLA, 0.4mm nozzle, 0.16mm layer height. 

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