miniature golf course - Robuta Search

https://www.cgtrader.com/3d-models/sports/equipment/miniature-golf-course-03

3D model Miniature Golf Course 03 sport, available in MAX, OBJ, FBX, BLEND, ready for 3D animation and other 3D projects

https://ultimateclassicrock.com/kiss-opens-miniature-golf-course-in-las-vegas/