rotary engine piece

English:This is a part of the rotary engine from the mazda rx7, i made it because i love the rx7 so why not? Hope you like my 3d model and enjoy it! :)Portuguese:Este modelo é a peca central do motor rotativo do mazda rx7, fiz porque adoro o rx7, então por que não? Espero que gostem do meu modelo 3D e aproveitem!I welcome any comments with tips on how to improve or suggestions. :)