The file 'IMac Monitor Shelf 3D Printer Model' is (f3d,stl) file type, size is 307.1KB.
These are 3 different shelves for you iMac (thin monitor, not the very old thick bezel version).
The Fusion 360 files are also included for your convenience.
This design is an alternative for similar products offered on Amazon, however, my version is less visible and works perfectly fine:
https://www.amazon.com/gp/search/ref=as_li_qf_sp_sr_tl?ie=UTF8&tag=techwithkrame-20&keywords=Monitor Top Shelf&index=aps&camp=1789&creative=9325&linkCode=ur2&linkId=6350ac3bb3699048e11119919b0663ac
iMacMonitorShelf_long.f3d | 106.9KB | |
iMacMonitorShelf_long.stl | 51.9KB | |
iMacMonitorShelf_standard.f3d | 81.4KB | |
iMacMonitorShelf_standard.stl | 29.4KB | |
iMacMonitorShelf_xl.f3d | 104.2KB | |
iMacMonitorShelf_xl.stl | 28.3KB |