▁cu ve ▁was ▁finished ▁by ▁ 8 ▁November , ▁and ▁the ▁sub structure ▁was ▁essentially ▁complete ▁by ▁the ▁end ▁of ▁the ▁year . ▁ ▁Model ▁ ▁The ▁em peror ▁expressed ▁an ▁interest ▁in ▁seeing ▁a ▁model ▁of ▁the ▁building , ▁and ▁a ▁pl aster ▁scale ▁model ▁( 2   cm ▁per ▁meter ) ▁was ▁constructed ▁by ▁Louis ▁Ville min ot ▁between ▁April ▁ 1 8 6 2 ▁and ▁April ▁ 1 8 6 3 ▁at ▁a ▁cost ▁of ▁more ▁than ▁ 8 , 0 0 0 ▁fran cs . ▁After ▁preview ing ▁it , ▁the ▁em peror ▁requested ▁several ▁changes ▁to ▁the ▁design ▁of ▁the ▁building , ▁the ▁most ▁important ▁of ▁which ▁was ▁the ▁supp ression ▁of ▁a ▁bal ust rad ed ▁terra ce ▁with ▁corner ▁groups ▁at ▁the ▁top ▁of ▁the ▁fac ade ▁and ▁its ▁replacement ▁with ▁a ▁massive ▁att ic ▁story ▁front ed ▁by ▁a ▁continuous ▁fr ie ze ▁sur mount ed ▁by ▁imperial ▁quadr ig ae ▁over ▁the ▁end ▁b ays . ▁ ▁With ▁the ▁incorpor ated ▁changes , ▁the ▁model ▁was ▁transport ed ▁over ▁spe cially ▁installed ▁rails ▁to ▁the ▁Pal ais ▁de ▁l ' Ind ust rie ▁for ▁public ▁display ▁at ▁the ▁ 1 8 6 3 ▁exhibition . ▁Thé oph ile ▁G aut ier ▁wrote ▁of ▁the ▁model ▁( Le ▁Mon ite ur ▁Univers el , ▁ 1 3 ▁May ▁ 1 8 6 3 ) ▁that ▁" the ▁general ▁arrangement ▁becomes ▁intellig ible ▁to ▁all ▁eyes ▁and ▁already ▁acqu ires ▁a ▁sort ▁of ▁reality ▁that ▁better