Today it was time to install the front coin return to the front skin.
What I did on the first R2-D2 has worked very well...use silicone adhesive. The silicone sticks well, dampens vibration and is easy to peel off and remove should you need to.
First I had to carefully line up, clamp and tape the vent into place...
Next up was applying the silicone....I ran a thick blob all around the edge of the where the panel meets the skin, then used a popsickle stick to flatten and spread it smooth.
After letting the silicone dry in the sun for 8 hours, here's the finished result...