Print with support. Use 25% infill or more.
(optional) Use double sided tape when put on monitor.
Half-parametric. Feel free to tinker it here.
https://cad.onshape.com/documents/a160b9de9a94b38b9b0f5c13/w/fd8e2bd82271f1e3db784
The author marked this model as their own original creation.