21 free, dimensioned HVAC duct fitting blocks — each a plan-view DXF you can download directly or open in CADdillo. No email gate, no $99 symbol pack.
HVAC Duct Cap (East) DXF · free
HVAC Duct Cap (North) DXF · free
HVAC Duct Cap (South) DXF · free
HVAC Duct Cap (West) DXF · free
HVAC Duct Cross DXF · free
HVAC Duct 45-degree Elbow (Northeast) DXF · free
HVAC Duct 45-degree Elbow (Northwest) DXF · free
HVAC Duct 45-degree Elbow (Southeast) DXF · free
HVAC Duct 45-degree Elbow (Southwest) DXF · free
HVAC Duct 90-degree Elbow (Northeast) DXF · free
HVAC Duct 90-degree Elbow (Northwest) DXF · free
HVAC Duct 90-degree Elbow (Southeast) DXF · free
HVAC Duct 90-degree Elbow (Southwest) DXF · free
HVAC Duct Straight Run (Horizontal) DXF · free
HVAC Duct Straight Run (Vertical) DXF · free
HVAC Duct Tee (East) DXF · free
HVAC Duct Tee (North) DXF · free
HVAC Duct Tee (South) DXF · free
HVAC Duct Tee (West) DXF · free
HVAC Duct Transition (Horizontal) DXF · free
HVAC Duct Transition (Vertical) DXF · free