Ender 3 Rail Add-ons

This file is a work-in-progress. I will update this thing file with additional accessories. At present, the following STLs are ready for sharing:

Version 3
- Card and Tool Holder
This original holder was revised with a longer SD card slot in the center. The holder slides into the horizontal T-slot at the top of the printer. It is best to mount it with the cutter saddle near the front of the printer and the hex wrench holes toward the rear. This holder includes slots for one USB adapter/stick, two micro SD cards, and one SD adapter/card.

- Micros SD to SD Card Reader Holder
This holder attaches with a screw and nut to the vertical filament bracket. It can be used to hold a micro SD to SD adapter when not in use (e.g., https://www.amazon.com/dp/B01D9J8KQE/ref=cm_sw_em_r_mt_dp_U_MditDbQBN802X).

- End Cover
This cover is simply a replacement for the square ends of the horizontal aluminum rail.

- Large Card and Tool Holder
This is a new component that lengthens and extends