In QuoteSoft Duct Assemblies are a group of already taken off items that can be added to any zone to quickly accept a group of items. For example, a register connection of Tapwith tap, Damperdamper, Flex, and Diffuser.flex, and diffuser with all the same diameter. /wiki/spaces/TRAIN/pages/535331491 are available as of version 4.0.9
Creating a 6in Assembly for a register connection:
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