you can fix it in the .fpe from your entitie
like this :
;header
desc = box23
;ai
aiinit = appear1.fpi
aimain = default.fpi
aidestroy = disappear1.fpi
;spawn
spawnmax = 0
spawndelay = 0
spawnqty = 0
;orientation
model = box3.x
offx = 0
offy = 0
offz = 0
rotx = 0
roty = 0
rotz = 0
scale = 300 (place the scale command in the .fpe)
fixnewy = 0
defaultstatic = 0
materialindex = 2
collisionmode = 3
strength = 0
isimmobile = 0
soundset =
soundset1 =
defaultheight =
;visualinfo
textured = box3_D.tga
effect = effectbank\bump\bump.fx
castshadow = 1
;Animationinfo
animmax = 0
anim0 = 0,0