Hi all!

I am intending to create an organic form sofa in CF. It's somewhat similar to the picture I've included below but a much smaller 2-seater version. My limitations are that I do not have space for a curing oven. Here are my concerns:

1) If I cannot cure an item in an oven, it means I will have to use room temperature cure resins and the means a hand layup method?

2) What can I make the mould out of? Is it a frame of wood with PU foam block for the the shape? If I do, how do I vacuum bag such a large mould?

3) Since the mould is likely to be a 'pool'-shaped form, can place a sheet over it and fill it up with water as a replacement over vacuum bagging? Would the high specific heat capacity of water affect the curing of the resin as it pulls heat away?


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Cheers and thanks in advance,
Kai

You seem to have no experience at all in the composite techniques. So my most important advice is to try something much smaller and easier, and understand every step and than slowly build to such projects. The're is just to much wich can go wrong and easily waste several hundred dollars/euros/pounds.

The bagging technique is just the same as for flatter and smaller parts. With pleats you add extra bagging film length, wich allows you to get into the contours.
I would start with watching every easy composites YouTube video, as well as most videos of Matthieu libeert. After that binge watch, you should have a far more accurate understanding of what it takes to take on such a project.
Every remaining questions (and there will be a lot) will be answered happily here in this forum.