Stumped: Making corrugated shape around path is impossible

Hi all,
I’m trying to make a corrugated object that flows along a path as seen below in the top view. This was the closest I was able to get it but it’s not a closed curve so unable to offset and extrude to make a table with thickness. I’ve tried everything I could find online including Dave Shultze’s tips.

The ribs are 1/2 wide, 1/2" deep with 1/2" spacing but doesn’t need to be exact in order to fit within the path. Any help would be appreciated.
Thanks in advance.

Hi @canaryslip,

Try this:

  1. Draw a curve representing the outline of your table - make sure it is closed.

  2. Use the _Length command to get the length of the line and draw a straight horizontal line of that length.

  3. Draw one cycle of your corrugation at the beginning of the straight line and array it with however many instances fit approximately to the length of your line. Join the array members into a continuous wave.

  4. Scale the wave to exactly the length of the straight line.

  5. Use the _Flow command to copy the corrugations from the base (straight) line to the target (periphery) line. Make sure you select the Stretch option on the command line to ensure an exact fit.

  6. That will give you a closed corrugated curve.


Praise the lord! Thank you so much Jeremy, really appreciate this!