Logitech Extreme 3D Pro Mod Kit Base- Small Footprint Plug & Play STL Files - Reversible Upgrade

Upgrade your Logitech Extreme 3D Pro flight stick with this DIY kit, designed for flight sim enthusiasts who want improved feel, functionality, or customization without buying a new controller. This compact base mod kit transforms your Logitech Extreme 3D Pro into a sleek, small-form-factor joystick while keeping it fully functional and beginner-friendly.

Plug-and-Play Simplicity — No soldering, no cutting wires, no permanent modifications. Just print, assemble, and swap — your joystick works exactly the same as stock.

Uses Most Original Parts — Reuses nearly all the factory screws, internals, and components — minimal extra hardware needed (just a few common M3/M4 screws/nuts if desired).

Small Form Factor — Dramatically reduces the oversized base to a clean, compact box that saves tons of desk space — perfect for small setups, multi-monitor rigs, or portable sim stations.

100% Reversible — Want to go back to the original bulky base? Just swap the parts back — no damage, no trace left behind. Zero risk!

Fully 3D Printable — High-quality STL files ready for your printer. Tested for reliable prints. (PLA was used with no problems.)

Ideal for Beginners — The perfect first upgrade for new flight simmers using the Logitech Extreme 3D Pro If you are like me and want to use a mount but cant fined one do to the bulky base size. This base should work for most joystick mounting plats. So keeps things simple, affordable, and fun while instantly improving your setup. 

This video is for the origonal design but appyies for the circuler design as well. 

How to Build the Logitech Extreme 3D Pro Base Mod Kit