The "best" CAD tool depends on how you think and how you express the design.
I like OpenSCAD (many implementations including in-browser). It is effectively a programming language where you add and subtract cubes spheres rods cones etc, where the dimensions are parameterised. If you structure the way the dimensions are created, you can change dimensions and other things change accordingly. There are many libraries available; I've used ones for characters and screwthreads.
Others tools are declarative in that they allow you to state constraints, and they then work out how to satisfy the constraints. I haven't used them.
Others are "organic", and allow you to pinch, and pull and push wire meshes; I'm never going to use those.
The next choice is material. There is a stunningly wide range available including gold, paper, ceramic, brass, nylon, resin, other plastics.
Shapeways has a wide range of? materials and a reasonable user interface, and it will tell you the cost and do a DRC for all its materials. It is not the cheapest.
There are many many other suppliers.
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On 07/09/20 15:17, victor.silva via groups.io wrote:
This is off topic but the end result will be for HP products so please bear with me.
I am looking for recommendation on 3D modeling software (preferably freeware) and a company that I can then send the 3D model to
make a battery holder clamshells.? I propose to make half clamshell pieces that would then make a complete
battery holder by using 2 pieces that would fit together.
