I made a quick plugin called “QuickDummy” it generates a dummy like the Roblox Studio part generator, just click “Shift + One” to generate and “Shift + 3” to clear all dummies, it creates a waypoint so you can undo and redo it.
Here’s the download link
https://www.roblox.com/library/8164595420/QuickDummy
This is faster than creating a dummy with the Rig Builder and it also creates the dummy with no attachments and the normal head from the R15 dummy. (This is R6 and it works.)
I will be adding a feature to add your custom rigs and change the bind for generating/clearing the dummies.
This plugin is poorly made but works as intented so I can’t say anything about it, some of the things you can improve is to rotate the dummy based on the camera’s look vector, Also you can add a menu where you can select other types of dummies. Still great plugin. I saw that you putted some effort into it. Keep up the great work 
Yep, it is poorly made because it only took 10 minutes, I made it for my self but decided to share with the community
Feature Request
Add a system where the dummy will be placed at the position of the mouse.
Can it change keybinds???