CR-7 3DP enlargement & improvment

The note for CR-7 modification.

https://www.facebook.com/groups/CR7.3Dprinter/permalink/1694600304104248/

https://www.facebook.com/groups/CR7.3Dprinter/permalink/1707951899435755/

https://www.facebook.com/groups/CR7.3Dprinter/permalink/1712531022311176/

1. Base
acrylic 6mm
Y axis M4 x 4, X axis M4 x 3，Z axis M5 x 3
https://www.facebook.com/groups/CR7.3Dprinter/1713610108869934/

2. Slide plate (4 wheels)
acrylic 6mm
https://www.facebook.com/groups/CR7.3Dprinter/1712531438977801/

3. Printing Base (with 4 magnet)
acrylic 6mm
https://www.facebook.com/groups/CR7.3Dprinter/1712531222311156/

4. 3mm 210x210mm glass (with 4 magnet)

5. V-Slot aluminum extrusion
2040 370mm x 1 (Z axis)
2040 340mm x 1 (Y axis)
2020 295mm x 1 (X axis)
2020 140mm x 1 (X axis)

6. T8-Lead Screw holder
https://www.facebook.com/groups/CR7.3Dprinter/1702000616697550/

7. T8 Lead Screw

8. Beam Coupling (5mm to 8mm)

9. belt 2M

10. PTFE tube (4*2mm) 400mm

11. opto limit for Z asix

12. Slide nut M4 x 13 M5 x 1 (optional)