I am having trouble displaying the bendlines on the flattend
pattern of my square to round development. When the lofted bend is
flattend it shows no fold lines at all and was wondering if anyone
could tell me how to obtain them?
I have found instances where people have turned the edges into polygons and the round part into a polygon and the do a loft between but solidworks wont let me do this in sheetmetal as it says it needs the sharp edges to be filleted, that would defeat the point of creating the polygon.
Find attached an example of my sqr 2 round.
I hope you can help.
I have found instances where people have turned the edges into polygons and the round part into a polygon and the do a loft between but solidworks wont let me do this in sheetmetal as it says it needs the sharp edges to be filleted, that would defeat the point of creating the polygon.
Find attached an example of my sqr 2 round.
I hope you can help.

I still don't know how to create a lofted bend using a polygon as i think that would be the best solution.
Create a square with the corners as quarter polygons with 6 sides then create the circle as a polygon with 24 sides? would create the fold lines i would need!
Attachments
I shall draw a square to round some time today and post it on here.
A square 400mm square with 5mm rads in each corner and a 300mm round split into and equal number of parts as the square, tried lofting it as 1.5mm thk and it says it can't and i should try and smaller thickness. Why is this the case? I can't use a thinner material and i don't want larger rads in the corners as the development will not fit into the flange i am using.
I beleive the only way to do this is to increase the bend radius. You might be able to get it to work by decreaseing the amount of bend lines. How many bend lines are you useing.
Attachments
you posted a question in "surfacing" category, hence my reply demonstrating a surfacing/sheetmetal method.
fyi, lofted sheetmetal bends do not give accurate flat patterns.