NF Crazy - Ender 3 - DUAL Blower and Mount
Description
Mount and dual blower for the all-metal hotend NF Crazy (Generic Mosquito). Hotend https://www.aliexpress.com/item/4000088018308.html This project I worked on for months, designing 22 versions of the dual blower and configuring my printer. I can say that I can now print PLA, TPU and Carbon / Nylon with no problems. This is not a project for beginners: You have to 3D print the parts in PLA to start and then Carbon when you are done. Before starting this project you should watch videos like: All Metal hotend microswiss by Teaching Tech! - Thank you Teching Tech! For Carbons or high-temperature projects you will need Marlin or a board that can be modified for higher temperature settings and adjustments for the thermistor and heater block/heating tube: example of a Configuration.h modification: https://www.aliexpress.com/item/4000591370691.html You will also need to trim the offset. #define MANUAL_Y_HOME_POS -12 Parts list for my configuration: Marlin motherboard https://www.amazon.com/gp/product/B07TYFMQW3/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1 Heat Shrink Wrap https://www.amazon.com/gp/product/B07HT73LLG/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 More Heat Shrink Wrap https://www.amazon.com/gp/product/B01MFA3OFA/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1 Bolts https://www.amazon.com/gp/product/B06XKMNH4T/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1 Wire Crimpers https://www.amazon.com/gp/product/B07FCX1M6Q/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1 Jumpers https://www.amazon.com/gp/product/B07BDJ63CP/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1 Thermistor https://www.aliexpress.com/item/4000591370691.html NF Crazy https://www.aliexpress.com/item/4000088018308.html Hotend Cooling Fan https://www.amazon.com/gp/product/B072JK9GX6/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1 Dual Duck Fan https://www.amazon.com/gp/product/B016XMK6SE/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1 Buck Converters https://www.amazon.com/gp/product/B01GJ0SC2C/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1 Silicon Boot: https://www.aliexpress.com/item/4000461218502.html?spm=a2g0s.9042311.0.0.6bb14c4d8i9gkP Heating Tube *VERY IMPORTANT 24v https://www.aliexpress.com/item/4000550325460.html?spm=a2g0s.9042311.0.0.6bb14c4d8i9gkP Optional Parts: Wire Strippers ----- Settings: Supports are needed (CURA blockers on the blowers and all bolt holes) Print with the blowers pointing up. Infill 25% - 45% the higher the infill the stronger the parts. ---- CREATED: 4/9/2020 I will update this as questions are asked.
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