Drawing files will not download to the Jimdo site. Need to create link through Dropbox. Go to the Dropbox web page, to to the drawing file, click on share at the right of the screen, expand to other options, choose "create a link", click on "copy link", at the gpsengr website use the link button, choose external link, past link in box, change the end of the link from "=0" to "=1". This includes all drawing files including .dwt, .dxf, etc.