4 model

Free

Bedside Laptop Stand / Mattress-Level Bed Rail Mount

Printables

Free

Laptop Under Desk Sleeve Shelf

Thingiverse

$3,00

Monitor Ghost - 3D Printable Model STL

MyMiniFactory

$5,99

Monitor Riser with Drawer – Two Sizes: 250 Standard + 320 Large-Format (STL)

Cults3D