>>6393000Regular C-clamps will work if you have them, a quick clamp is faster. Though, you might be able to use some binder clips or even strong clothespins. If the styrene sheets don't need to be smooth, lightly sand the surface and if your metal ruler has some cork backing, it should slip less.
For a sanding block you can just use a piece of wood that fits in your hand and grip the sandpaper in place with your fingers.
>>6393214Let that be a lesson to everyone, you never know when you'll be in the OP. As a side note, an all 4chan edition this time because everyone at 2ch was probably at a convention.
>>6393232Last thread is still up.
>>6352714>>6354965>>6393966>I have no clue as for what kind of material can I get to sculpt a prototype other than epoxy.Can you get modeling clay, super sculpy or fimo? Here's a recipe for cold porcelain, but it does shrink slightly.
https://www.youtube.com/watch?v=AxqmMyLwxk0>>6393992Youtube, start here
https://www.youtube.com/playlist?list=PLL9MzpXbDSVMQBFGd4etnLfOSveyoSWCC 