fix normals transform for merging feature (Issue #373)
fix normals transform for merging feature (Issue #373)

ma55acre/ExocortexCrate,ma55acre/ExocortexCrate,Exocortex/ExocortexCrate,ma55acre/ExocortexCrate,SqueezeStudioAnimation/ExocortexCrate,SqueezeStudioAnimation/ExocortexCrate,ma55acre/ExocortexCrate,zacoxicompton/ExocortexCrate,zacoxicompton/ExocortexCrate,Exocortex/ExocortexCrate,zacoxicompton/ExocortexCrate,zacoxicompton/ExocortexCrate,SqueezeStudioAnimation/ExocortexCrate,ma55acre/ExocortexCrate,zacoxicompton/ExocortexCrate,zacoxicompton/ExocortexCrate,Exocortex/ExocortexCrate,ma55acre/ExocortexCrate,ma55acre/ExocortexCrate,SqueezeStudioAnimation/ExocortexCrate,zacoxicompton/ExocortexCrate,SqueezeStudioAnimation/ExocortexCrate,SqueezeStudioAnimation/ExocortexCrate,Exocortex/ExocortexCrate,Exocortex/ExocortexCrate,Exocortex/ExocortexCrate,Exocortex/ExocortexCrate,SqueezeStudioAnimation/ExocortexCrate