JR from Makerspace Adelaide sent me a challenge: Test his theory that Nylon prints better upside with a draft shield. Intrigued, I took the plunge and present my findings in this video. Thanks to JR for the idea and his innovative thinking.

Let me know what you think about this idea and my results in the comment section.

0:00 Introduction
Portable, upside down Positron 3D printer by K R A Y L N 3D:    • A DIY 3D Printer That’s Upside-Down, ...  

0:47 The challenge
Video from JR from Adelaide Makerspace: https://www.amazon.com/photos/shared/...
Ender 5 heated enclosure:    • Ender 5 enclosed lid and heated chamb...  
Testing Nylon and other engineering filaments:    • 3D printing engineering parts: PLA vs...  

1:40 The theory behind this technique
Previous video on open frame ABS printing:    • Printing ABS with an open frame 3D pr...  
Wind blowing image credit: https://freesvg.org/wind-blowing-cloud
Wavy arrows by ‘By the Made, AU’ image credit: https://thenounproject.com/term/wavy-...

3:24 My testing methodology

4:35 First layer issues
Dimafix from X3D: https://x3d.com.au/products/dimafix-p...

6:17 Why the mini F1 car geometry is perfect for warp testing

7:39 How to enable ooze shield in your slicer

8:25 Medium F1 car results

10:17 Vertical warp test results

11:35 Does hot air actually rise? (and other relevant variables)

13:07 Conclusion

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