Delta 3D Printer for 25 mm Extruction bar Version 2

Please note that this is only for 25mm (1 in) aluminium extrusion bar.
The old version is Here .

********** BOM ********
"Arduino Mega 2560
R3 + RAMPS 1.4 Controller + LCD 12864 + 6 Limit Switch Endstop + 5 A4988 Stepper Driver" 1,   29.78

STEPPER MOTOR 3,   23.97

EXTRUDER   1,   20.76
HOT BED   1,   25.58
HOT END
  1,   7.99
Gear Bult & pully   1,   7.98
Ball Rod   6,   14.15
Slider Roller   9,   4.15
Gear Bearing   3,   2.49
Total Cost = 136.85. (alu