Hollow concrete sphere, diameter 300 mm, partially painted.
I understand now. I may well give it a try. I have a way to roll out the concrete in 8 mm thick slabs, the way one does with ceramic clay. It is much more difficult to handle, so I roll it on a piece of canvas. That makes it much easier to manipulate. I could try to mould a slab of concrete on stretchy fabric a la your idea.If one used a material that gave for s mold (layers of tights/pantyhose, for instance), one could use the weight of the wet cement and gravity to form some interesting asymeterical shapes. An elongated sphere, for instance. My "bright" ideas are "glimpsed in the corner of the eye" and only realised in the making or, better yet, undertaking!
Arty said it best for me - outstanding !Thank you snoball! Also, thanks Iain — that is just about the best compliment. It is all concrete, so the metallic look is entirely faux, done with metal powder mixed with alkyd resin. Tell me what you mean by an elongated version. I am always looking for ideas!