looking for a good 3d design software.

[curious aardvark]

don't use windows 10. so that's out :-)

Installing windows 10 to get 3d builder is like cutting your own leg off because you fancy making prosthetics.
I'll see if tinkercad will import an obj file.

[space67]

don't use windows 10. so that's out :-)

Installing windows 10 to get 3d builder is like cutting your own leg off because you fancy making prosthetics.
I'll see if tinkercad will import an obj file.

Oh, I didn't realize you didn't use Windows.
Mabe some of these wil do the trick?

https://www.meshconvert.com/
https://www.greentoken.de/onlineconv/
https://www.makexyz.com/convert/obj-to-stl