What it is:

3-point bed leveling conversion with built in kinematics using 3 100mm mgn9c rails to allow natural expansion of the bed when heated. Kit includes all the hardware, couplers, 3 mgn9c 100mm rails and extrusion.  

 Magnets are 12x3.5 stl here

Kit includes the following:

1. 2x 90deg corner brackets
2. 3x Couplers 
3. 3x kossel balls
4. 3x magnets
5. 1x cable drag chain
6. 1x Extrusion (510 mm for plus 400mm for pro)
7. 3x mgn9c 100mm HoneyBadger kinematic series rails
8. 50x heat insert nuts (yes more)
9. 5x aluminum spacers
10. 16x M3 washers
11. 10x M3*6 screws
12. 12x M5*10 screws
13. 5x M4x16 screws
14. 90x M3*8 screws
15. 5x M3*10 screws
16. 6x M5*8 screws
17. 20x 2020 M5 spring Tnuts
18. 30x 2020 M3 spring Tnuts

What you need to source:

• Compatible mic 6 bed 
• Bed heater 
• SSR
• TR8 lead screw
• Z rails x3 (500 for Ender 5 plus 400mm for the 5 pro)
• Pei (optional)
• extra motor or 2 depending on which model you have

Relevant links:

• Zero G Hydra Build guide