3D Printing

Mcor

goprint3d.co.uk

shapeways.com

heroforge.com

thingiverse

makerbot

ultimaker.com/en/resources

https://all3dp.com/1/best-3d-slicer-software-3d-printer/

all3dp.com collection of free-stl-files-3d-printer-models

3D scanning

https://3dscanexpert.com

https://www.3dnatives.com/en/top-10-low-cost-3d-scanners280320174/

https://store.steampowered.com/app/438450/3DF_Zephyr_Lite_Steam_Edition/

https://digitalartlive.com/event/photogrametry-how-to-create-daz-studio-assets-from-photos/

https://www.daz3d.com/photogrammetry–creating-daz-studio-assets-from-photos

Having Problems? Online mesh repair:

http://www.geeetech.com/blog/2016/06/how-to-correctly-export-repair-your-3d-models-in-stl-and-obj-format/

https://service.netfabb.com/login.phprequires Autodesk account´╗┐

https://tools3d.azurewebsites.net/ requires MS account

https://all3dp.com/1/7-free-stl-editors-edit-repair-stl-files/