Found this shelve that can fit 3- 40 gallon tanks with proper lighting perfectly. Testing it out before I move and it was even better than I expected. Link in the comments. :
Reptile Shelving Sale - www.cimeddigital.com 1686252750
Reptile Storage Options (Shelving) - YouTube
Reptile Shelving Sale - www.cimeddigital.com 1686252750
15″L x 17″D x 30″T Glass Reptile Terrarium – customglassterrariums