Armor Left Gray.stl and Armor Right Gray.stl need to be printed with support material.
Use the arms and legs from:
Assembly (Using the images for reference)
Press the gray pieces into the corresponding places in the chest, use glue to secure them if necessary.
Press the Lambda Symbol into the Armor front. Glue Armor Front to Armor left and Armor right, then glue the two part of Armor Back to the back. Small Clamps are very helpful for holding everything in place as the glue sets.
You will also need:
The Angry Scientist Head:
The Classic Low Maintenance Hair: