Shell problems

Print in sections -> Acetone solvent-weld together -> Sand -> Primer -> Paint ->Profit

>>1112446
I am not completely sure what are you trying to make. Some plastic enclosures that look like old Mac?
Look into vacuum forming (or thermoforming I think that is correct term). there are some DIY videos on youtube.
Also you can check local engineering oriented schools and maker spaces. Maybe they can help you.
I think you could make form with 3d printing or from cnc milled wood ,... depends on a shape. simple shapes you can make with jigsaw and dremel.

>>1112457
This sounds great, is there a name for the whole Googling acetone solvent welding now.

>>1112469
Anything really. I have modeled and printed numerous 3D objects from plastic but they're always small and, to an extent, brittle.
A computer case was just an example, a chassis for a keyboard could be another project.

>>1112476
> is there a name for the whole Googling acetone solvent welding now.

What do you mean?

>>1112553
>>1112457
>>1112476
friction weld, if only for the fact any 3d printer filament works, not just abs.

>>1112446
3d print, hand finish, cast a mold, touch the mold up where it needs to be touched up, cast, get part, finishing touches.

you do the first part right and you will have noting to do in part 2 and 3.

This will last, 200-1000 molds though.

To be honest you are better off seeing if someone in china has a ready made part and buy from them.