angel--i make positioning poses for props by hand, filling in the values from the numbers in the parameters window then saving as a FITpose.pz2.  here's my template if that helps. (it's got scale & rotation too because they often need changing)  it's P5up only because of the actor $CURRENT, & you'll need have the prop selected for it to apply. 
{
 version
 {
  number 4.01
 }
 actor $CURRENT
 {
  channels
  {
  scale scale
   {
   keys
    {
    k 0 1
    }
   }
  scaleX xScale
   {
   keys
    {
    k 0 1
    }
   }
  scaleY yScale
   {
   keys
    {
    k 0 1
    }
   }
  scaleZ zScale
   {
   keys
    {
    k 0 1
    }
   }
   rotateX xRotate
   {
    keys
    {
     k 0  0
    }
   }
   rotateY yRotate
   {
    keys
    {
     k 0  0
    }
   }
   rotateZ zRotate
   {
    keys
    {
     k 0  0
    }
   }
   translateX xTran
   {
    keys
    {
     k 0  0
    }
   }
   translateY yTran
   {
    keys
    {
     k 0  0
    }
   }
   translateZ zTran
   {
    keys
    {
     k 0  0
    }
   
   }
  }
 }
 figure
 {
 }
}

lost in the wilderness

Poser 13, Poser11,  Win7Pro 64, now with 24GB ram

ooh! i guess i can add my new render(only) machine!  Win11, I7, RTX 3060 12GB

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