Final product 1,2,3

 This is the  prototype that worked
I made this one on spot and tested

Here is the video
https://www.youtube.com/watch?v=lujCbcmpb-g&feature=youtu.be

°   Probleem with this helmet was that it was to big
so we had to make it as minimalistic possible.
















We removed the stuff we didn't need;

 °  first ptoyotype looked like this, we only keept the front piece and the frame of helmet

 Now it was done and looked like this
we needed front side because we could easily glue the PVC sheet in, and in made space from the face.

  After discations
we needed to give it  more cleaner look  and use all standard parts so that it could be build by anyone.















So we came up whit this
we got rid off the forn foam piece

 We used velcro on the sides so it would be easy to ajust

 Inside we used extra soft foam  for more confort and to eleminate scrwe  heads

We  did the same with front side.

And we used rubber cilinders in between the PVC sheet and the helmet frame. we mouted them with  screws inside  and bolts  outside

Make sure you check our instractables there  you wil find more details about the product itself.
Thank you
https://www.instructables.com/id/Prescription-Glasses-Aid/