Many thanks everyone!
SG1 wrote:
Question: how did you manage to take such precise curvy cut-outs from the MDF?
Well, I didn't make them in one cut. First I drilled and then roughly cut the holes undersized with an electric jigsaw. Something like this:

Then I sanded the edges smooth and curved with sanding drums in a Dremel, while constantly test-fitting the ship's hulls:


@ Jim: Yes, I was a bit worried too about the MDF warping during the sculpting, and especially during the baking. But there was only one way of finding out

, and luckily it didn't move at all!
After surviving that, I'm not too worried about the future. It is quite a thick pile consisting of 4 sheets glued together, which should add to the stability too.
But even that is not really relevant: I plan on not using this for the actual seascape, but casting it in transparent resin. Of course, now I can be worried about that block of resin remaining stable as a base over time too...
But anyway, it would be good to keep the MDF and putty seascape stable anyway; as it is a good backup in case the resin casting fails miserably... In that case, I can still screw a steel plate to the bottom!

Milan Kuliffay wrote:
I'm curious about the dyeing and finishing process.
Me too Milan! That will need some experimenting for sure...
But it will have to wait for a while. First I want to put some paint on the ships...

@ Kometa: yes, that works great too! I used something similar for the mock-up. Just this, covered with textured watercolour paper can make for a great seascape indeed. Werner De Keersmaecker does his wonderful seascapes in exactly this way:
http://www.modelshipgallery.com/gallery ... index.htmlBut for this project, I wanted some intermediate sized waves too: smaller than the seas, but bigger than the small wavelets. Now I have several wave sizes smaller than the seas, and the wavelets still have to be added at the end (with AK water Gel).
I could not get this variation in wave sizes with the watercolour paper, so I resorted to sculpting. And since I wanted to use the Super Sculpey Firm for sculpting, which needs to be baked, I couldn't use foam as a base but went to MDF and Magic Sculp instead.
But it is good to have variation! I don't think every seascape should look the same...
BTW, I'm sure the technique I used now is not for everyone, because it takes a lot more time than the foam/watercolour paper technique. But it gives a different effect, that is hard to get in another way.
@ Maarten: I only know that diorama from David Griffith's diorama book. I hope to visit it one day, since it looks amazing. The sheer size of it alone... And it is a period I'm getting more and more interested in too! And it's not too far away, and Texel should be a great destination for a family trip.

I think their sea was a bit inspired by how Donald McNarry made his seas (and Philip Reed too): they carve it with gauges (round chisels) from a block of wood. I feel McNarry and Reed got much more realistic looking effects though, but then again they didn't have to make such large areas! The rather stylised style of the Texel diorama sea is not too bad though, it works for that diorama I think. I wish they found a way to disguise the seams between the panels a bit better though.