The Fitter 0.1.0

# Select two objects, object first then place3DTexture node
# this script will move and scale the place3DTexture node to the same position and size
# as the first selected object

firstObject = str(plg.ls(selection =  True)[0])
secondObject = str(plg.ls(selection =  True)[1])

plg.setAttr(secondObject + '.translateX', plg.getAttr(firstObject + '.translateX'))
plg.setAttr(secondObject + '.translateY', plg.getAttr(firstObject + '.translateY'))
plg.setAttr(secondObject + '.translateZ', plg.getAttr(firstObject + '.translateZ'))

active = plg.polyEvaluate(firstObject, boundingBox = True)
sizeX = active[0][1] - active[0][0]
sizeY = active[1][1] - active[1][0]
sizeZ = active[2][1] - active[2][0]

plg.setAttr(secondObject + '.scaleX', sizeX/2)
plg.setAttr(secondObject + '.scaleY', sizeY/2)
plg.setAttr(secondObject + '.scaleZ', sizeZ/2)