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Watch: https://youtu.be/pdFCBuTAVp4
These blinking goggles use a remix of my Print-In-Place Iris Box (http://www.thingiverse.com/thing:1817180) which is a remix of emmett's Preassembled Iris Box (http://www.thingiverse.com/thing:1811143). Right and left "eyeballs" snap into the goggles and a 3D printed spring holds them open. A discrete piece of fishing line is used to actuate the blink. Or you can also skip the spring and the fishing line and just reach up and operate each iris manually.
Printer Brand:
MakerGear
Printer:
Rafts:
No
Supports:
No
Resolution:
0.2mm
Infill:
20%
Notes:
Print one regular eyeball and one mirrored eyeball for the right and left sides. Also print the spring and the goggles themselves. Print the goggles part more slowly and maybe hotter than normal to make sure that the little fingers that grab the eyeballs have fully fused layers.
In addition to the 3D printed parts, you will need about 12" of 3/8" wide (or 10mm) elastic, and about 36" (1m) of fishing line. After printing the eyeballs, you will have to cut way the small tabs that hold the bottom of each iris leaf in place. Then insert a small flat bladed screwdriver between the outer sphere and the studded ring to break away the outer sphere from the base. When everything is freed up, rotating the outer sphere relative to the base ring will open and close the iris. Run the eyeballs open and closed many times until they operated freely. Add a drop of light oil to the leafs so that they operate very smoothly.
The right and the left irises operate in different directions. When mounted in the goggles with the irises open and the little actuator tabs at the top, they should open when the tab is moved to the outside of the goggles. Snap each eyeball in place accordingly. Be very gentle because the little fingers on the goggles can break if overflexed. (You can glue them back in place if one or two break.)
Next, insert the spring into the tabs as shown in the photos. The irises should want to spring open. If they want to close, swap the eyeballs. Tie one end of your fishing line thru the hole in the right side of the spring, thread it down thru the eyelet in the right side of the goggles and back up thru the eyelet in the left side of the goggles. Finally tie it off to the left side of the spring. Lastly, thread your elastic through the slots in the side of the goggles.
Put on the goggles. Loop your thumb through the big loop of fishing line and pull downward to blink. Both sides must be pulled at the same time or else the spring will jam.
spring.STL Last updated: 10-17-16 Downloads: 35 Size: 88kb
88kb
goggles.STL Last updated: 10-17-16 Downloads: 35 Size: 1mb
1mb
eyeball4_goggle.STL Last updated: 10-17-16 Downloads: 36 Size: 5mb
5mb
eyeball4_goggle_mirror.STL Last updated: 10-17-16 Downloads: 35 Size: 5mb
5mb
Download All Files (5 mb zip file)
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