Side motor fan mount for Tamiya WT01/WR01 (Blackfoot, Wild Dagger, Dual Hunter …etc). You can use Super Glue or AB Glue to glue it to the side of the chassis for cooling the motor. It supports 25mm fan.

upgradeparts-tami-wt01-side-motorfanmount

One screw hole is made available if you want to make use of the nearby screw.