The only ones I've seen modelled in other apps have used bump maps to make the cutouts on the outer rim, the black pieces and the thruster holes.

I want to try to make a very acurate Bryce model. This section isn't quite finished but I think I'll be able to get there.

Thanks for the comments.

 

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...