G+ has been the most positive platform in it's time based on my experience.

3D Printing
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1

G+ has been the most positive platform in it’s time based on my experience. Sorry to see it go

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Same here. We do have an alternative for now though. Come check it out. Several people from here have joined and it’s pretty similar.
https://mewe.com/join/3d_print_everything
https://mewe.com/join/3d_print_everything