Extended :

• Arduino Mega 2560 + RAMPS + 4 x A4988 (full GPIO, SPI, COMM, I2C and replace parts individually)
• 1 x E3D Custom Hotend ( Fit for Tinyboy )
• 12 x LM4UU Bearing (Smoother movement)
• 1 x 3mm Washer for Z-Axis (More Stable)
• 2 x 2GT 16 tooth Gear (Easy Setting from Marlin)
• 2 x GT2 3mm Belt (Less friction)
• 12 x Belt Bearing (Smoother movement)
• 1 x 12V Power Switch (on/off from the machine)
• 3 x 35 Stepper 0.9 degree per step (Stable Movement)
• 1 x Aluminum bed (flat bed against heat)
• 4 x Bed Leveling using spring (Easy adjust)
• 2 x Hole for Carrying Belt (Portable)
• 1 x 4mm Thickness Acrylic Case (Stable Support)
• 1 x Acrylic Spool Holder (Perfect match)
• 1 x TinyOLED v1.2 1.3" OLED Display /w Tinyboy Splash Logo (Display Info with User Control)
• 1 x TF Card Module (TinyOLED - Offline Printing)
• 1 x Bluetooth support (TinyOLED - optional)
• 1 x Wifi support (TinyOLED - optional)

http://www.HKMakers.hk

Video : https://www.youtube.com/watch?v=RVLiUBf1iGY https://www.youtube.com/watch?v=KViu0PyYcm8 https://www.youtube.com/watch?v=_rW9SUn5Eho https://www.youtube.com/watch?v=rWcV7VxOEKg

TinyOLED by http://www.thingiverse.com/thing:816376 This module can be used on every arduino mega ramps 1.4. with Marlin version.

Original design by http://www.thingiverse.com/thing:701548 Remixed from http://www.thingiverse.com/thing:776896 and http://www.thingiverse.com/thing:880110