the attachment is plans to a paint mine and this thing works please put it on your site and if you have any questions just ask me. ive used this mine 3 or 4 times and have made special adjust ments to it but it proved dangerous the plans provided are the originals and i am working on horizontal spray ones but i have had no luck i cant find a way to store the paint horizontally the plan is the same as the ones provided but it is a bit larger and has 4, 12gram co2 caplets and is made out of industrial foam and pvc painted different colors to match the ground in my area.