This version of bear X axis is for use with extruders which need clearance over the X axis ends, such as Bunny and Bear by @Bunny Science.
Original design of the X axis by Grégoire Saunier: https://github.com/gregsaun/prusa_i3_bear_upgrade
Original design of the short ears version by Guy Kuo: https://www.thingiverse.com/thing:3626993
This is based on:
Fusion 360 source: https://github.com/eiannone/bear-x-axis-short-ears/raw/main/Bear%20X%20axis%20v1.0%20short%20ears.f3z
The author hasn't provided the model origin yet.