With the support of macOS 10.13.4 for external graphics, Apple officially allows users to supplement their Macs with an eGPU like the Snet eGFX Breakaway Box. Unfortunately, the ability to render applicatis via an eGPU while being displayed the built-in screen of your Mac, via developer applicati updates, is quite rare.
A recently released
In other words, this script uses tools already built into the latest versis of macOS to give the end user more ctrol over using the eGPU. It allows an external GPU to render installed applicatis and present them the built-in screen of your Mac. With this script, you can now force eGPU rendering for most of your installed applicatis without external display.
As you can imagine, e of the first applicatis I tested was
Synology RT2600ac: AirPort Extreme Replacement
How to install set-eGPU your Mac
First, set-eGPU is an open source script of mayankk2308, you so are free to browse the code to see exactly what it's doing. Secd, the script is simple, and you have nothing to do weird like disable SIP to use it.