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I've been building a set of The Goon's Ecto Goggles and I wanted to add a little flashing red light to the corner where he's modelled a hole. However I wasn't so keen on stuffing a load of batteries inside the face shell of the goggles themselves. So I've designed and modelled an upgrade to put a hidden compartment there.

It utilises a 2x CR2032 battery compartment from ebay and I designed a new "knob" that goes over it like a cap and also adds the metal surround as seen on the GBfans version. https://www.gbfans.com/shop/goggle-part ... ith-strap/

My design (which is available on Makerworld) consists of three separate pieces;

• The "metal" base as depicted on the real night vision goggles but missing from The Goon's design
• The battery cap which glues over the top of the compartment lid
• The nub which just needs a dab of glue in the peg hole

It utilises a CR2032 battery compartment which sits neatly within the metal base. You will need to drill a small hole for the wires to feed into the main face part of the goggles and then glue this down. The nub is printed as a separate piece to make it easier to print, avoiding issues with print quality once supports are removed. Simply glue this onto the main battery cover cap. Then lastly glue the battery cover to the unscrewable part of the CR2032 compartment. Once all that is done you can easily wire a simple circuit, I used a 200ohm resistor and a self flashing LED.






It's slightly larger than the original knob on The Goons files but I needed to remake it in order to incorporate the other components. It's not hugely different, maybe half a cm so hopefully not very noticeable. Because it's designed to fit the real-life button-cell compartment I had to take some creative liberties but overall it's not noticeable especially as it is on the underside of the goggles.



Still need to make the head straps... no rest for the wicked.

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After making my goggles my daughter decided that hers (my old ones) were rubbish in comparison. They were the cheap plastic toy ones that you can pick up for about £15.

I drilled some holes into the casing to add decorative screws, snapper buttons and added the same 3d printed knobs and battery pack as above.

She’s much happier now haha.


P.s I’m well aware there is no red light on the 84 goggles but there was a hole in the Goons files (I think his source for making the face part were from a set of night vision goggles he had with an IR sensor) and I added one to mine. And therefor my daughter demanded a red light on hers.

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I finally added head straps to my goggles. I literally spent hours failing to sew it all together. I just could not get the sewing machine top tension, lower tension, bobbin, walk speed, stitch length combination right. In the end I just used more snap poppers to effectively rivet the webbing to the neoprene rubber back.

Lots of lessons learned from making these. I have enough material to make a second set which I have already started. I need to modify the Goons file again a little more so that I can move the side knob holes slightly more inwards. This is so that I can use some panel mounted potentiometers to give those knobs a satisfying twist functionality.

I am also going to use olive green webbing and some metallic stickers for some extra shine.