Portals
thingiverse
Portals One is whole the other grouped so you can load in 3D builder and ungroup to move or resize. I used this for my Dungeon I set them up in different areas. They will spawn untill they are shut down. I also added some pillars with levers I will upload soon.
Download Model from thingiverse
With this file you will be able to print Portals with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Portals.