How to make part scale from only 1 face

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#24

so you’re essentially growing it in the opposite direction? if -5 is our N (Amount change), then -2.5 is our change in position?

#25

I’ve gone through it a bunch, and I think I understand.

  1. to increase the part’s size in one direction (Z-axis, for example).
  2. Normally, increasing size by ( n ) affects both ends equally (( n/2 ) on each end).
  3. To keep one end fixed and extend only on the other side, you adjust the part’s position.
  4. Multiply the direction ( U ) by ( n/2 ) and add it to the part’s position.
  5. the part extends from one end while staying aligned on the other end.

So, if you change the size by -5, adjust the position by ( U * (-5/2)).

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#26

After messing around a bit, I keep running into bugs. I think since the arm is welded to the handle, and the handle is welded to the blade, setting the position of the blade changes the Cframe of the character. Does anyone know how to fix this?