So I fixed the weak spots and added an end piece to the truck.

I use the 3D program Alibre Personal Edition for all of my drawings. Most of what was fixed you can't see.

I also am drafting this at 1:1 and then I scale to HO.

The ends are raised as that way the parts print as 4 parts not one.

We will see what it looks like when I send it to the printer in a couple of weeks.

I just want to get the body attached to the frame be for I send it just incase I figure there should be more changes.

If the PDF I attached works then you should be able to rotate the truck side frame around and see what it looks like.

Tim