Step 1: Fold the Envelope's Sides
Step 2: Cut the Masking Tape
Step 3: Stick the Envelope to the Wall Your Are Drilling
Mark the point with a nail or screw that your are going to drill.
Put the drills bit on the mark and start drilling.
Step 4: Now the Dust Is Collected in Side the Envelope
Remove the envelope and clean the residue with a wet paper towel.
Clean the hole with a vacuum cleaner.
Pour the dust into a trash bag.