>>9599041liquid mask, idk what kind you are using but it normally isn't watery/runny enough to run off raised surfaces, at least the Mig one isn't.
I finished my T-34/85 for the Zvezda group build. The guy I bought it from left some Russian photoetch set for it in the box so it has better vents for the engine air covers. Also has those RFM 3D printed workable tracks on it.