[imtringued]

But blow moulding machines big enough to make a drone shell are massive.

If you had suggested a more portable technology like vacuum forming maybe you would have a point, but blow moulding is definitely one of the more expensive and least portable ways of forming plastic.

[rasz]

Massive is subjective, you can fit 10 packed or 5 set-up and running machines in one container https://cntaiso.en.made-in-china.com/product/iXYEPnyvhsUl/Ch...