I like the overall shape,
select just the top and bottom faces then choose "smooth" shading rather than "hard" on them only (i assume u are using blender) this will render as a nice smooth surface.
The hard-edged look would be a lot more attractive if you had quads instead of triangles.
select just the top and bottom faces then choose "smooth" shading rather than "hard" on them only (i assume u are using blender) this will render as a nice smooth surface.