24mm Velocity Stack

Added the 'weestack', an angled stack also meant for 24mm carbs. As usual, print at 97% for a GET intake.

Velocity stack for a 24mm carburator on common Chinese 150cc scooters. Can be scaled to fit other carburators. Pictured is scaled down to 97% to fit the mouth of a PC20 carburator on a Honda Ruckus.