Nautilus gears with involute gearing - customizable

thingiverse

Updated: Added Profile Shifting - Just for Fun! The Logarithmic Spiral is an Incredibly Unique Feature It is Its Own Involute, Standing Out With a Confident Vibe: Gear Me, Please! There's Essentially One Dominant Design Online Which Also Available Here at Thingverse in Multiple Remixed Versions. As No One Seemed to Have Ever Tried Using Proper Involute Gearing (Instead of Sloppy Sine Gearing) on This Beautiful Shape, I Attempted to Utilize My "Roll a Toothed Rack Along It" Method to Provide a Customizable Version. See Here: https://www.youtube.com/watch?v=NuWnDpQR3q0 Here's My First Print: https://www.youtube.com/watch?v=D6c90TbKyuY Yes, I'm Pretty Sure I'll Do a Herringbone Version in the Next Days (Edit: Here It Is: http://www.thingiverse.com/thing:773764) What You Get: A Customizable Kinetic Teaser. Click Brackets In and Glue Them to Any Surface With Gears Aligned. Any Reasonable Number of Teeth Any Modulus Any Slope Structured Code with a Simple API for Easy Customizing What You Need: OpenScad 2015 (Dynamic Arrays) ShortCuts.scad Library (Sorry for That, But It Simplifies Programming So Much). Description in: http://www.thingiverse.com/thing:644830 On Ratios Larger Than About 2.5 a File to Draw the Outmost Gear for a Smoother Run A 8 mm Drillbit Instructions The Code Echoes the Inner/Outer Radii and Intrinsic Gear Ratio of the Design. Rising the Slope Value k of the Spiral Will Enlarge It. The One I Used to Produce the File Nautilus_gears.stl Are Somewhat at the Limit From a Mechanical Point of View. If Gears Hook Up at the Turnover Point, It Helps to Drawfile the Outermost Gear a Bit (I Didn't Want to Pollute the Generic Software Approach With This.) To Mount to Any Surface Clip the Brackets In and Use Double-Faced Tape After Aligning