» How do I draw a cushion for a sofa or a chair in 3D?

Hello Stephm:

Generally speaking in modeling terms: Assuming that the cushing is square, you could use a mesh patch surface with 2 guide curves to define the cross-section in both directions at the center of the cushion. The guide curves must intersect in the center and be coincident (must touch) the 4 outer edge curves. If the cushion is "tuffed" at the center, then you can add the "tuffed" cross-section to each guide curve. If you use multile curves for each guide curve then be sure to concatenate (join) them end to end to form a single curve entity. If you need more definition, you can add guide curves to bothe direction following the same guidelines. See if there is such a surface command in ADT.

Comments from other users are welcome here!

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