Robert Murray-Smith | 2195 Bizarre Gears @ThinkingandTinkering | Uploaded January 2024 | Updated October 2024, 4 hours ago.
These are all the links

Gzumwalt Cube Gear - youtube.com/watch?v=23ByThsWH2w&t=5s
Emmett Lalish Heart Gear - youtube.com/watch?v=O-qwmRwOpFQ
Mankati Brain Gear - youtube.com/watch?v=0SV_UyZj2rA
Kiyoshi Adachi Nautilus Gears - youtube.com/watch?v=IUR-T4Nw-Sk
Bopp & Reuther Messtechnik GmbH Oval Gears - youtube.com/watch?v=mOpNVsVV4_w
Oskar Spherigear - youtube.com/watch?v=7Tv-aUC6lpM
Yamagata University ABENICS Gear - youtube.com/watch?v=hhDdfiRCQS4
ABENICS STL - thingiverse.com/thing:5788966
trinityscsp Mangle Rack - youtube.com/watch?v=W-j8U7xz3MY
Akiyuki Brick Channel - youtube.com/watch?v=LbRijQcFI-4
Henry Segerman Borromean hairpins - youtube.com/watch?v=WQ9ptuUxfk4
Henry Segerman Donut Gears - youtube.com/watch?v=QhXjevOY_uk

Don't forget to check out my companion channels TnT Omnibus here youtube.com/channel/UC1E8OmOG17VckoPviOPmkMw and TnT Talk Time found here youtube.com/channel/UCVaUhDJTviZ17K8vXnR1HjQ