Summary

This is a model of a common bracket for 775 motor:

https://www.aliexpress.com/item/775-7-Series-Motor-Bracket-Support-Motor-Fixed-Base-L-Shaped-Aluminum-Metal-For-DIY-Toy/32915126299.html?spm=2114.search0302.3.43.1f677b4cLo1DSV&ws_ab_test=searchweb0_0,searchweb201602_0_453_454_10618_536_317_537_319_10059_10696_10084_100031_10083_10921_10304_10821_10887_10920_10307_321_10922_322_10924_10065_10068_10301_10103_10884_10820,searchweb201603_0,ppcSwitch_0&algo_pvid=9d9d6965-7046-4add-89e0-53388ee79747&algo_expid=9d9d6965-7046-4add-89e0-53388ee79747-5

This is not for printing.

EDIT: added the *.f3d file for people to customize. Have fun!