I thought I would share how I have my 3D cameras setup as well as my 3D settings. The cameras were made by another beta tester who allowed me to share his file. There are many cameras to choose from, so play around with them and use the ones you like best!
(the instructions are for the Steam version of the game)
Get the file here:
http://www.mediafire.com/file/auqndx..._v1_4.zip/file
Unzip the folder "Angel_Stadium_1979-1999_v1_4 to your models folder located here: C:\Program Files (x86)\Steam\steamapps\common\Out of the Park Baseball 21\data\ballparks\models
Open up your OOTP 21 game and then go to your team home page, click on settings then on the right of the screen click on Edit Ballpark.
Now at the top click on 3D Model. On the right hand side should be another window that has coordinates and all that for your ballpark.
Click on "Copy cameras from park" and navigate to C:\Program Files (x86)\Steam\steamapps\common\Out of the Park Baseball 21\data\ballparks\models\Angel_Stadium_1979-1999_v1_4
Once you are there click on the Angel_Stadium_1979.ootp3d file and then click "select" at the bottom. This should load all the cameras into your stadium. You can check by clicking on the down arrow under Edit Camera Views - Current View: (should say default)
Now click on the "Save Cam" button and give it a name. Once that's done you can click on "Copy cameras to all parks". This should save them all to every park in your league. (this step was a bit tricky for me) You can check to make sure they saved by going back to your team home screen and then back into the 3D model screen and clicking on the down arrow to see if all the cameras in the screenshot above show up.
My personal settings for 3D
File -> Settings -> 3D & Facegen tab
Note the two important settings in red to help the animations play much smoother, at least for me. (I do have an NVIDIA GTX 1660 Super video card so you might have to mess with the Audience Detail and Audience Quality as well)
In game settings
* Feel free to mess around with the cameras and other settings to your personal preference, this is just a general guide using these excellent cameras by forum member drksd4848.
** If you find something that isn't clear or find better settings, please reply! This has really immersed me into the 3D gameplay!!
*** Make sure to backup your files and settings in case you run into issues, I am by no means an expert, basically use at your own risk!
IN GAME SCREENSHOT (my favorite is the close up trot around the bases on a HR):