diff --git a/fractional/src/main.rs b/fractional/src/main.rs
index bd9352a..f846cfd 100644
--- a/fractional/src/main.rs
+++ b/fractional/src/main.rs
@@ -405,8 +405,8 @@ fn main() {
 
     _democanvas( &xcb, "Something...(f64)", tx.clone()
                , Polyeder::triangle(60.0)
-               , Polyeder::tetrahedron(80.0)
-               , Polyeder::cube(45.0)
+               , Polyeder::tetrahedron(100.0)
+               , Polyeder::cube(56.25)
                , DirectLight::new(Vector(0.0, 0.0, 1.0)) );
     /*
     _democanvas( &xcb, "Something...(Fractional)", tx.clone()