View Full Version : Transition-Rectangular to round
2008-01-17, 05:15 PM
I have several different instances where I need to creat a rectangular to round transition. One specific case would be rectangular object of 10.5" wide x 4.75" to 12" dia. at a 15 degree angle. Can someone direct me or instruct me on how to accomplish this task.
Thanks for any help.
2008-01-17, 07:29 PM
Do you know the distance in which it has to transition in?
2008-01-17, 07:56 PM
Im not sure exactly why you are needing this but if its because of making a piece of duct ...
you may want to check out this website. http://www.sheetmetalguy.com/transition.htm
2008-01-17, 08:34 PM
Yes, it is for ductwork, I was hoping for a quick solution. Like maybe the pyrimid command with round on one end would be awesome. Oh well, I will keep trying, thanks for your help.
2008-01-17, 08:57 PM
check out the website above....it will produce a DXF of exactly what your looking for.
2008-01-17, 11:11 PM
Well that did create what I am wanting, however do you know of a way to make it into a solid for modeling?
Thanks again for your help
2008-01-18, 01:42 PM
I have posted a drawing of what I think you require.
I created this using the "Loft" command - I lofted the rectangle to the Circle.
2008-01-21, 03:26 PM
Thanks Mike, I guess I need to study up on loft. I am just getting started with the 3d stuff. I kept trying to build the fitting with the standard basic tools.
2008-01-21, 07:47 PM
It can also be produced in any full version of acad (after R9) by using surfaces.
Anyone interested could look up Rulesurf / Edgesurf / etc..
The finished shape could be converted to solids by M2S.lsp.
I have been using the attachment .fas file found in transitn.zip
at the following link
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