pen drawing of a self-sealing stem bolt, a technological doo-dad from "Star Trek: Deep Space Nine". it is an hexagonal prism shape, with a cylinder projecting from each end, offset from center in different directions

from that time Jake and Nog tried to do some trading

#Inktober #Inktober2025 #Inktoberday18 #Inktoberdeal #deal #startrek #DeepSpaceNine #DS9 #selfstealingstembolt