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Al's Automata Blog

Eyes and Eyelids

9/23/2019

0 Comments

 
Jumping around a little bison this project. I decided I needed to sort out how the eyes and eyelids of the head on the the Bipolar Brain were going to work before getting to far on the mechanical design. Pictured below are the two eyeballs and eyelids I have made.

Making the eyelids is a potential finger ripper. Trying to cut the lemon wedge shaped piece to start the process is tricky. Cutting a 1-1/2" diameter ball on a bandsaw or scroll saw is a way to nip a finger. If you don't have a firm grip on the ball, it can roll, pulling itself into the blade, maybe fingers and all. Even clamping it is no guarantee. I use a different yet slower approach. I sand the ball on my bench sander. Getting a flat stated still requires care, but once started it goes easily enough. These wedges end up at 135 degrees of the original ball.

The trick then is to hollow out the inside to allow the eyeball to fit freely. I do this with a burr on my Dremel tool, using a calliper gauge to work to a uniform thickness for the eyelid.

I figure a sandpaper burn rather than a cut finger is a better deal, but having made a few of these in the past I came through these unscathed! These bigger eyes are easier than the small ones. You can see the pivot hole in one of the eyelids.
Picture
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    Why Automata?

    Automata is a creative blend of my life interests , engineering, art  and woodworking. 

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Home     Contact    About   
  • Automata Blog
  • Home
  • Tubing The River Styx
  • DJ's Bee Bop Palooza
    • Roles of Bees in a Hive
    • The Bee Bop Characters
  • Automata Gallery
    • Swimming With The Dolphins
    • A Boat, A Boy, And A Dog
    • The Invisible Audiophile
    • Black Bear Bliss
    • Parking Lot Wars
    • The Chase
    • Baa Baa Bad Sheep! >
      • Baa Baa Bad Sheep Photo Gallery
    • The Penguins' Revenge
    • Cirque de Poulet
    • I'm Thinking & Laura
    • The Bipolar Brain
    • Tempest in a Teacup
    • Inner Demon
    • Sewer Rat Symphony >
      • Musican Profiles
    • The Captive
    • Bored Out of My Skin
    • Waiting at the Clinic
    • The Diagnosis
    • Snowbirds
    • The Not So Early Bird - The Common Sleptin
    • 1 HP Heart Pump
    • The Trojan Cat
    • 7-1/2 Horsepower
    • Howdy!
    • The Bus Stop
    • Rhinoceros Racing
    • It's an Uphill Battle
    • When an MRI Goes Badly
    • A Moment of Silence
    • Who Slew the Chicken?
    • The Dentist's Office
    • Owl Hijinx
    • Horse of a Different Colour >
      • Horse of a Different Colour Features & Specs
      • Horse of a Different Colour Photo Gallery
    • March of the Penguins
    • The Extraction >
      • The Extraction Media Gallery
    • Poultry in Motion
    • School's Out!
    • Pond Life >
      • Pond Life Photo Gallery
    • Rat Co. >
      • Rat Co. Employee Profiles
      • Rat Co. Photo Gallery
    • Happy Birthday Daddy! >
      • Happy Features & Specs
      • Happy Birthday Photo Gallery
    • The Raving Fans
    • The Waiting Room >
      • Waiting Room Photo Gallery
    • Cottage Cabernet
    • Neighbourhood Watch
    • Check Please!
    • Fishing >
      • Fishing Photo Gallery
      • The Mechanism
      • Brutus the Catfish
      • Crawford the Crayfish
      • Bigmouth the Largemouth Bass
      • Buddy the Chocolate Lab
      • Gertrude and Heathcliff
    • Ian's African Lion Safari
    • Call Before You Dig >
      • Features & Specs
    • Crossing The Mara >
      • Features & Specs
    • Migrating Caribou >
      • Features & Specs
    • Rocket Pack Raccoon
    • Urban Terrorists >
      • Exploring the Urban Terrorists
      • Features & Specs
    • Top Gun
    • Miss Communication
    • Hula Hoop Girl
    • Java Jane
    • The Cranky Caterpillar
    • A Case in Point...
    • The Leafs Score!
    • Enough With The Fish!
  • Learning Centre
  • Automata Store
  • Workshop Tour!
    • Sanding
    • Drilling
    • Cutting
    • Measurement
    • Carving Tools
    • Hand Tools
    • Working With Brass
    • Work & Assembly Areas
  • Mechanisms, Tip & Tricks
    • The Why and How Of It!
  • Who Am I?
    • Making Automata
  • Contact Me
  • In The News
  • Links
  • The South Bay Railway
    • Murray's Mill
    • Rivers, Creeks & Ponds
    • Early Days Photo Gallery
    • Layout Photo Gallery
    • Layout
  • Totems
  • Some Other Small Projects
    • Misc Projects
  • Driving Home for Christmas
    • Designing the Float
    • A Penguin Prototype
    • The Human Flock
    • The Float Penguins
    • The Float Video
  • Members Page