How to use Knit Surface and Filled Surface in surface command

can anyone show how to use it

2 Answers

Knit surface is used to clean up a surface to another surface. Filled surface is to create a surface using boundries (lines arcs other surface edges).

if you want to create a solid body you must make sure all the surfaces make a closed body then you use knit surfaces and you can select try to form solid so that it fills the enclosed surface and make it a body