Can 3D printing upside down help reduce warping?

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: https://www.youtube.com/watch?v=ZAPaOevoeX0

0:47 The challenge
Video from JR from Adelaide Makerspace: https://www.amazon.com/photos/shared/W0u_2Va9Qmi7UbZqab_G8A.5XFHOG-ZEOLRYNRGW3BYEF/gallery/Es5izALIRpyo7etpQlbw9Q
Ender 5 heated enclosure: https://youtu.be/mPC-2KZLMzk
Testing Nylon and other engineering filaments: https://youtu.be/O5V8iEjPiR0

1:40 The theory behind this technique
Previous video on open frame ABS printing: https://youtu.be/UawxywHptMU
Wind blowing image credit: https://freesvg.org/wind-blowing-cloud
Wavy arrows by ‘By the Made, AU’ image credit: https://thenounproject.com/term/wavy-arrow/941569/

3:24 My testing methodology

4:35 First layer issues
Dimafix from X3D: https://x3d.com.au/products/dimafix-print-bed-adhesive-pen?variant=35436860407963

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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Видео Can 3D printing upside down help reduce warping? канала Teaching Tech