At the business end of this hack is the tiny suction-cupped tip from a cheap vacuum pen. To interface the pen head with the pump, [thomasgruwez] designed and printed a rigid straw to bridge the gap.

The Shark Wandvac HandHeld Vacuum is a best-seller at Walmart, and it’s currently on sale for $89. Over 1,100 shoppers give it five stars for the lightweight, cordless stick design and powerful ...