The corn retriever is a yellow truck bucket which the corn pieces can drop into so we can take them back to base. The bucket is just the right height for the back of the harvester, so we couldn't mount it to the robot from underneath. So I figured out how to mount it from the inside pegs.
The corn harvester is made up of:
1. Big yellow bucket piece
- this is probably an unusual part for most teams.
2. 6x1 technic beams with holes under the pegs.
3. Some legos so mounting the attachment on & off the robot can be done with ease.
Because the yellow dump truck piece is not in LDD, Evan kind of simulated it in the LDD model he built of it. The model at least helps us rebuild the mounting bits if the attachment gets broken.
You can download the LDD model here.