connect

Any ideas on how to connect the blue and yellow pieces in this img? I can't move any of the gray peices. Doc @ https://cad.onshape.com/documents/14f3d01d62b5237f728896c5/w/40e0afc950b8ca0dfecf9ef8/e/46f1a37d37836942cf49590e I can thicken the yellow or blue parts as much as needed so long as they don't overlap the gray…