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When you’re 3D printing parts, it’s easy to create pieces with all manner of complex geometry. However, you’re often stuck dealing with unsightly layer lines and other surface imperfections. [reitter_m] chooses to get around this through the use of a tumble polisher of his own design.
The polisher uses a drum made out of a glass jar sourced from IKEA. A 3D printed gear is printed to size, and then fitted around the outside. This allows the drum to be turned by a motor fitted into the base of a 3D printed cradle. A simple gear motor is used to spin the drum nice and slowly, powered by a 12 V, 500 mA supply.
It’s a build that uses readily available parts, and should be a cinch to recreate by anyone with a 3D printer. The later revision uses an even more common IKEA jar, making it even easier to copy the build no matter where you are in the world. It even uses herringbone gears which gives it a very offbeat look. We’ve seen other hacked tumbler projects too, like this one built around an old case fan. Video after the break.
This article was first featured at https://ift.tt/3avFPDE on January 21, 2020 at 02:43PM by Lewin Day
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