-- Inside some rendering hook local oldclip = render.EnableClipping( true ) -- Your code here render.EnableClipping( oldclip )

function ENT:Draw() local normal = self:GetUp() -- Everything "behind" this normal will be clipped local position = normal:Dot( self:GetPos() ) -- self:GetPos() is the origin of the clipping plane local oldEC = render.EnableClipping( true ) render.PushCustomClipPlane( normal, position ) self:DrawModel() render.PopCustomClipPlane() render.EnableClipping( oldEC ) end