Perma-spike (BTD6)

Perma-spike from Bloons Tower Defense 6. Pieces were modeled in inches, so there may be some conversion factor needed, and you'll have to rotate the pieces to be upright (sorry, they exported sideways!). Supports are necessary for the main body gears.

https://www.reddit.com/r/btd6/comments/lfsdhr/spactory_but_its_a_succulent_pot_3d_printed/