I don't but I see people making their own at VR/AR meetups here one though it's not a periscope which is important as you need the phone's camera to face forwa

I don't but I see people making their own at VR/AR meetups here one though it's not a periscope which is important as you need the phone's camera to face forward https://vrscout.com/projects/diy-ar-device-hololens/ https://vrscout.com/projects/diy-ar-device-hololens/ here's some other thing https://www.theverge.com/2017/7/18/15948700/mira-prism-iphone-augmented-reality-headset-hands-on-announce https://www.theverge.com/2017/7/18/15948700/mira-prism-iphon...