I need to find a software supporting .ply format file with user-friendly UI. OHIF is ideal, but I am wondering how I can open .ply format files with OHIF, or to convert it to the formats which are supported by OHIF.
I will appreciate if there are any ways.
Orthanc recently added support for STL format files: https://discourse.orthanc-server.org/t/new-plugin-stl/4537
I am not sure about OHIF supporting those types natively. I would not be surprised if Orthanc later adds support for .ply files, although I’d probably use the formats which are most ‘standard’ or likely to be ‘standard’.
Thanks! It helps a lot.
Hello! I had trouble finding that site. It seems the url is improper. 
It may be that their server is down temporarily. I noticed that also now. https://www.orthanc-server.com/
Maybe try it again tomorrow. If you are interested in 3D models and printing, maybe you could check this also: Model Generation : Creating 3D models with Horos | XROMM
Thanks again for your good advice! 
Their server is back up: https://discourse.orthanc-server.org/t/new-plugin-stl/4537
Not in OHIF and not planned, however, if you load the stl file and can map it to polyData we have support to render surfaces, so just need a loader
https://www.cornerstonejs.org/live-examples/surfacerendering