ExBow(den)Dual

thingiverse

This is a dual drive bowden only extruder created specifically for an upcoming project. It utilizes standard components along with 3D printed parts and can be made available for under 30 USD including the stepper motor. The design incorporates a 3:1 gear ratio to increase resolution and torque. Parts required: 4 of each 3D printed component included M4x4mm set screw x1 M4x14-16 Socket Head Cap Screw x1 M3x10 Socket Head Cap Screw x6 M3x30 Socket Head Cap Screw x2 M3x25 Socket Head Cap Screw x1 623 size bearing x4 2 Drive Gears similar to: https://www.amazon.com/Signswise-Extruder-Driver-Makerbot-Printer/dp/B00ZZRI0DC/ref=sr_1_3?s=industrial&ie=UTF8&qid=1523150412&sr=1-3&keywords=mk7+drive+gear Pneumatic push fitting with M5 thread and 4mm tube dia. similar to: https://www.amazon.com/SMC-KQ2H04-M5A-Connect-Fitting-Adapter/dp/B004M8T28M/ref=pd_rhf_dp_p_img_2?_encoding=UTF8&psc=1&refRID=R7BD5XFABAX5AJP8KM59 Nema 17 Stepper Motor .ipt file for assembly instructions. Note: The links provided are just references and not intended to benefit the user.