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First attempt photogrammetry (3DF Zephyr, Meshmixer, Blender)

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Samsung Galaxy S4 Camera. I took 37 outside photos, 12 around at three heights and 1 top view. It used 36, rejecting the one of the top of the head.
I'm still pretty confused by the settings available in 3DF Zephyr when it comes to saving the final file so there's much learning to do.
Meshmixer is easy but hard. Once you fathom just how a thing you want to do should be done it's fine, figuring out that approach is quite the adventure :)

3DF Zephyr Free seems just a matter of clicking through stages and doing a clean up of floating bits in the sparse and dense clouds. When I brought the 3DF Zephyr obj file into Meshmixer it was very different to what I'd seen in 3DF Zephyr. It was a bit of a shock, there were missing bits, big holes and it looked real bad. I'll need to find out why this is, or learn Blender because when I opened that same obj file in Blender it was intact, looked just as the 3DF Zephyr file did. I couldn't fathom Blender at all to actually do anything but was able to export as a stl file. Meshmixer accepted this stl file and I was good to mess it up. I did try a ply file first but can't remember why I went to obj, maybe Meshmixer wouldn't open the ply and I hadn't yet considered Blender.

3DF Zephyr Free is the only photogrammetry software I've used so far. I might try out a few others but considering this is a first go I'm really pleased. It's pretty mind boggling really.
I need to make an amusing focal point to keep other victims smiling through the photo shoot LOL

Advice always welcome