Community
If you have any new content request, you can send us the details in the below link.
http://autocad.autodesk.com/?nd=form__105
for now you will have to get dimensional information from your supplier then model them yourself.
people have been requesting HDPE fittings (that work...its the OD v DN matching thats tricky) since 2009, a short time after the first plant3d was released.
Im not holding my breath!
I can understand your frustration.
Sorry but we have been receiving a big list of new content requirement and we are trying our best to prioritize them.