This is the documentation for all the mods that I've done on my ender 3 over 4 years (since 2020).

Intentions with the modifications

Mods

1. CR-touch
2. Dual Z axis
3. Flexible PEI bed
4. Silicon Bed Spacers
5. BTT smart filament sensor
6. Bottom PSU mount
7. Tall legs
8. Inset display mount
9. BTT Manta E3EZ + CM1 Board
10. Sprite Pro Extruder
11. Spriteburner Mod (with 5010 fan)
12. Bimetal Heatbreak
13. Hardened Steel Nozzle
14. Klipper!! (offcourse)
15. Linear X Axis Rails

Recommended Accessories

1. Fiament Dryer
2. Crafting Knife
3. ADXL sensors

Future plans ?

1. Webcam feed
2. Obico server
3. Linear Y axis rails
4. Load Cell based Z Offset on Hotbed (Can be based on PRtouch on Ender 3v3 se/ke )
5. BTT Eddy

Mods on order of priority

Phase 1 - Reliable Printing

1. Silicon Bed Spacers
2. BiMetal Heatbreak
3. CR-Touch

Phase 2 - Klipper

1. BTT Manta E3EZ + CB1 Board
2. Sprite Pro Extruder
3. Flexible PEI Buildplate

Phase 3 - Speed

1. Hardened Steel Nozzle
2. Spriteburner Mod (5010 fan version)
3. Dual Z mod
4. Bottom PSU Mount

Phase 4 - Quality

1. Linear X axis rails

Extra set 01 - Quality of Life

1. BTT filament sensor
2. Filament dryer
3. Y axis linear rails (it really improves print quality, but I am waiting for linear rails compatible with load cell sensors)
4. BTT eddy