Sep 07, · Download Windows 7 3D Theme. Tip: This is themepack with wallpapers of 3D models, landscapes, etc.! If you are looking for a “real” (stereoscopic 3D) 3D theme, there will be one available soonish. Stay tuned! Published: Tuesday, September 7th, Last Modified: November 9, Dec 09, · 3d Themes For Windows 7 Ultimate Free Download Close x How to download and run 3D Purple Butterfly Theme on your PC and Mac. 3D Purple Butterfly Theme For PC can be easily installed and used on a desktop computer or laptop running Windows XP, Windows 7, Windows 8, Windows , Windows 10 and a Macbook, iMac running Mac OS X. Free .