The above picture looks afoul, but the results are nice. Its a styrofoam mold covered with packing tape. Then I glassfibre it and get when done I get a nice detail.
Here is a mock up for the fore hatch to see how big an anchor I can stove.
The screw holds down the back window which can be opened in nice warm weather. The nut is bronze which will be glassed in with epoxy.