Rotary Tool Fan for Dremel/Craftsman
Description
This Is A Fan That Friction Fits Onto The Collect Of A Dremel/Craftsmen 395 Rotary Tool. It Blows Air Over The Bit To Clear The Dust From The Cutting Area So You Can See Better. I Remixed The Original Design As I Didn'T Like The Exposed Fan Blades, So I Added A Shroud Around Them. I Was Also Interested In Coming Up With An Optimal Blade Design To Move The Most Air. I Designed And Tested 23 Different Ideas Then Measured And Charted Their Output. The Top 3 Are Available For Download. There Are 3 Different Fan Styles, Two That Are 25Mm In Diameter, One That Is 20Mm. I Added The Smaller One As I Found The Larger Fans Sometimes Obscured The Bit Too Much Doing Fine Work. There'S Also A Version Without Keying For Rotary Tools That Don'T Have Any. Designed For 10.6Mm Diameter Collet. If Yours Is Larger/Smaller, Just Scale The Part Up Down. It Requires A Friction Fit To Stay Attached.
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