rotary

Fashion a Mini Belt Sander Attachment for Your Dremel

Fashion a Mini Belt Sander Attachment for Your Dremel

Hey ho, I’m sanding! With a mini belt sander attachment for your Dremel you can take your sanding projects on the go.

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Watch How a Cityscape Composes Its Own Song on a Player Piano

Watch How a Cityscape Composes Its Own Song on a Player Piano

Akko Goldenbeld turned a map of his city into a musical score for a player piano with this ingenious design.

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Dial Like a Hipster: Make a Bluetooth Rotary Dial

Dial Like a Hipster: Make a Bluetooth Rotary Dial

You can experience the soothing chatter of a rotary encoder sending out your digits by building a Bluetooth rotary dial for your cell phone.

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How-To: Sharpen Your Rotary Cutter Blade

How-To: Sharpen Your Rotary Cutter Blade

Make your rotary cutter blades last longer with this super-helpful tip for maintaining a sharp, precise cutting edge!

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The Theta 3D Printer: 4 Extruders On A Polar Coordinate System

The Theta 3D Printer: 4 Extruders On A Polar Coordinate System

  Traditional 3D printers, as well as most CNC routers, laser cutters, and most machine tools where the programmer doesn’t want to go crazy trying to get his or her head around the underlying code, work in the XY coordinate system.* This “theta printer,” as seen on Hackaday.io, eschews that paradigm and instead uses a […]

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