Make an offset plane to represent the length of the transition.
How to make a sheet metal transition for a furnace.
In the picture on the left you can see a real furnace plenum and cold air drop.
Start with a rectangle with fillets in the corners and a gap in one side.
A transition between a furnace and plenum you can purchase below.
The rounded corners are to help accommodate the transition to the circle.
This can be smaller than shown in the image.
A sheet metal transition is a custom fabricated duct to connect a new furnace or air hander to existing ductwork.
The gap is for the sides of the flat sheet.
In 2002 alpine home air products became the first company to sell heating air conditioning and indoor air quality products online.
We have proudly served hundreds of thousands of customers helping them save time and money by buying their products direct.
The kits contain sheet metal pieces and an instructional dvd video to show you how to make sheet metal transitions.
Open a sketch on the offset plane.