Parameter input form
- Ends 1 & 2 dimensions: External
- Development precision [divisions]: 96
- DXF text height: 2.5
- Input and drawing file units: Millimeters
Some tips related to this pattern::
- Radius input is INTERNAL.
- Dimension input are as per the figure: EXTERNAL.
- A rectangular duct can be obtained by providing inputs of C = B - T AND A = D - T.