Materials to purchase
-I put a photo file of BOM(Bill Of Material) below. the link is described below the photo.
LINK
1. http://www.mcmaster.com/mv1457470370/#catalog/8936T41
2. http://www.mcmaster.com/mv1457470370/#catalog/2153T37
3. http://www.mcmaster.com/mv1457470370/#catalog/2153T32
4. http://www.mcmaster.com/mv1457470370/#catalog/9654K417
5. http://www.mcmaster.com/#7130K101
6. http://www.mcmaster.com/#92095A186
7. http://www.mcmaster.com/#90576A102
8. http://www.mcmaster.com/#92290A055
9. http://www.mcmaster.com/mv1457470370/#catalog/93475A196
10. http://www.mcmaster.com/#91292A831
11. http://www.mcmaster.com/#94150A305
12. http://www.mcmaster.com/#94639A303
13. https://dragonplate.com/ecart/product.asp?pID=3932&cID=93
14. https://www.servocity.com/html/hs-85mg__mighty_micro.html#.VuIogZwrJhE
15. https://www.pololu.com/product/1350
No. 16, 17, 18 parts need to be 3D-Printed. Follow the menu 'How to do 3D-Printing' to make the materials.
16. Corn Bearing.
17. Top plate.
18. Master link end pieces
19. 3D printed plates.