First, I have done the simple test with synctech command, Delete Face.
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[li]First, I have measured all for corners of the original face with Local Radius (Analysis menu).[/li]
[li]Then, I have removed this face with Delete Face command.[/li]
[li]Now, I have created new Edge Blend with Radius=3,5mm[/li]
[li]And that was almost the exact same surface/blend, as the original one. The difference of the radius for all four corners was approx. 0,005mm. I belive, that this is close enough.[/li]
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And here are my results from other tests:
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[li]large face, as it was already posted, has radius 28mm. It can be calculated with Analysis->Measure Distance->Change filter to Dsitance[/li]
[li]Smaller face: I just drawn an insert/curve/arc over all four edges on both sides. When selecting start/end point, I just moved the mid-point over the edge and see, what the Radius is. If you set the view to isometric, here are the results:
left side radius varies from 3,53mm on the bottom to 3,84mm on the top. The biggest radii is at the top.
right side radius varies from 3,51mm on the bottom to 3,69mm on the top. The biggest radii is at the top.
lower edge radius varies from 29,47mm on the left side to 29,45mm on the right side. The biggest radii was around 29,49.
upper edge radius varies from 32,96mm on the left side to 32,95mm on the right side. The biggest radii was around 32,96.[/li]
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Now, here are some other measurements:
Analysis->Minimum Radius...3,499mm
Analysis->Local Radius...click on the surface or points or edges and you will get the radii values
Analysis->Shape->Radius...you will get a color-scale for the whole surface