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M5Stack User Meeting#5 -pcb design for cheap 3d printer-
- 1. PCB and case design for cheap 3D Printer 2019/08/02 @tomorrow56 Masawo Yamazaki M5Stack User Meeting ＃5
- 2. Introduction
- 3. Masawo Yamazaki (@tomorrow56) - Hardware Engineer(Circuit design) - Current work: Functional evaluation and test of Silicon Facebook: Masawo Yamazaki Twitter: @tomorrow56
- 4. MACSBUG, thank you very much for your help Today’ theme is “The Case of expansion module” https://macsbug.wordpress.com/
- 6. I apologize first. Jimmy, I‘m sorry！ However, I am not malicious in your design.
- 7. Case for the expansion module issue •Many people want the case to fix expansion module • "M-BUS" connector is susceptible to stress and prone to contact failure •Although "data for 3D printing of the case" is released on GitHub ... • There is no environment for 3D printing • Output result is depend on the performance of the 3D printer • 3D printing services such as DMM.make are a bit expensive I want to do “as easy as possible”
- 8. M5Stack Genuine Case At first I make data with shape as it is
- 9. Output Result Optical Modeling(OBJET) FDM(AFINIA H480) AFINIA can not output thin wall…
- 10. Corner of genuine PCB It is difficult to make with FDM printer The thinnest part is less than 0.4
- 11. Modify the outline of PCB M5Stack Self made
- 12. Modify the outline of PCB M5Stack Self made Round corner Move 0.3 mm inward at the part contacting the rib of the case
- 13. Result of outputting modified data AFINIA H480 Board mounted
- 14. Output result on various models uPrint (JPY3,000k) AFINIA H480 (JPY180k) DMM.make 3DPrint (JPY1k/pcs) ANYCUBIC KOSSEL (JPY28k) DMM.make akiba Sony Creative Lounge I have a sample today, so please talk to me if you are interested 自宅
- 15. Currently split outer frame and holding parts Reduce post-processing work by not need to remove support
- 16. After all, this is also “沼” ↑ PHOTN買ったし…
- 17. After all, this is also “沼” ↑ PHOTN買ったし… Have a good M5Stack 沼 life!
- 18. Appendix Type Seller Initial cost Unit price 100pcs total 1000pcs total Molding Inject ion Elecrow Mold: $3640 (400,000) $0.32 (35) 403,500 435,000 3D Print Service DMM.make 0 757 75,700 757,000 3D Print Service Elecrow Shipping: $20 (2,200) $2.25 (247) 26,900 269,000 3D Print (Self) DMM.make akiba Initial purchase: 8,000 0 8,000 ------ 3D Print (Self) ANYCBIC Body: 28,000 filament: 2,000 0 30,000 ------ Estimated cost for making 100/1000 pcsof M5Stack case
- 20. Jimmy, thank you for making M5Stack!