Match-drilled all of the holes common to the skin and skeleton today with a #40 reamer. Drill alignment was facilitated by looking at the reflection of the reamer bit in the vinyl skin, and aligning the reamer with the reflection to ensure that each of the rivet hole center-lines were perfectly perpendicular to the compound curve of the skin. Took a little extra care to ensure that all intended holes were match-drilled (i.e., none were missed) and none of the unintended holes were drilled accidentally.
