Way to go Richard. For me, https://www.thingiverse.com/ has been where I go for other people’s designs that they don’t mind sharing.
As to getting a 3d scan from photographs, I’ve heard that Autodesk’s 123D Catch might work out. I tested it real quickly once and it sort of worked. I didn’t and still don’t have time to play with it. I think you’d also need something like Meshmixer to fix up any items that 123D catch didn’t fill in. There are some YouTube videos on how to create a 3d item from photos. Start there.
I’ve used their 123D Design to design items and I’ve used tinkercad to design an item. You might want to start simple (Tinkercard) and then as you want to do more detailed/complicated things, then look into Fusion 360. Just expect a learning curve for whatever you do decide to to with.
The fun thing with the 3D printing, is that you’ll learn a lot (and learn what you didn’t know you needed to learn (https://www.largescalecentral.com/externals/tinymce/plugins/emoticons/img/smiley-innocent.gif)).
I’ve been using a Flux Delta 3d printer for about 1.5 years now. I’ve put a Creality CR-10 on my wish list (https://www.largescalecentral.com/externals/tinymce/plugins/emoticons/img/smiley-laughing.gif). Here’s hoping my family will be generous to me (https://www.largescalecentral.com/externals/tinymce/plugins/emoticons/img/smiley-wink.gif).
You will learn that not all printers can print the same type of material. For example, the Flux Delta that I have can only do PLA filament. Not good for the outdoors (though I have printed some items I’ve printed and made sure I’ve put at least 2-3 coats of paint on them…so far they have held up outdoors). The CR-10 can do ABS filament, but I’ll have to look into an enclosure for it if I get it. ABS needs to have heat and a controlled environment along with a heated bed will improve the prints - at least that is what I’ve read so far. Some claim that they don’t need an enclosure…I’m still looking into that.