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It was a lot of money! I have slowly gone from big projects on proprietary software to small ones on open source. I fell trapped when I I am not in control of my own stuff, and I am sick and tired of cooperations where I am the leader and workhorse :) So for now it is a comic made exclusively on free apps. I haven't really used Blender for that though.

If you're making video games for phones you can try Unity it's another free 3D program but you make games on it.

Yes, I know about it. It is not open source though..