2.1.5 CAD models

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1) The 3-D CAD function that should be used to create a wire coat hanger is the fillets.
2) You would use the holes in order to create a 3-D representation of a spindle that was created on a wood lathe.
3) The 3-D CAD solid making keeps track of the things that you do and saves them.
4) The way that you would be able to fix a mistake that you had previously made without using the undo function would be by pressing Ctrl+z.