First, outline the outside edges with an ultra fine point Sharpie. Trace around the indent line that goes around the canopy bubble.
Score (don't cut through the plastic) directly on the ink line.
The picture on the left shows the cut lines needed to flex and crack at the scored lines.
These outside lines are cut through the plastic, cutting from the scored line to the outside.
At this point, the edges will be rough.
We'll fit the canopy to the tube in the next post.














