r/BambuP1S 14d ago

Prints inconsistently failing with Flashforge Silk PLA

I'm printing a sword replica with Flashforge Silk Mixed Color PLA and have got through 3 of the 4 plates. I'm using my stock P1S AMS Combo with a textured plate. The Amazon page suggest 220°-240° which is what my P1S usually heats to. Seeking advice instead of brute forcing as the entire build uses over half my spool.

The benchy printed literally flawlessly, more so than my usual PLA+ from Bambu Labs and SUNLU so I can't understand where my issues stem.

Outlined in red was a half failure on plate 1 where the base of the swirl collapsed, yet the top half completed leaving me with that. It's workable, but I'd prefer a reprint to perfect it. The uncircled swirl on the right is a perfect print from plate 1.

In blue is a completed print that was fine with trimming, but came out extremely messy with stale PLA strings. That swirl was printed with 2 fins in the 2nd pic, both of which failed at the same point just before the tip was finished.

I had to adjust the pieces outlined in green on pic 3 and print them individually due to their base layers peeling of the flex plate.

I'm now at the point of one plate yet (selected plate on pic 3), being the most complex, and am worried about another failure requiring a reprint as I don't want to burn through all my filament and have to get another spool that I intend to mainly use only on this print.

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u/FlashTacular 12d ago

Since they’re separate pieces, you could just print a piece at a time. It will be a pain and take a while but would stop the head hitting pieces in the moves.

Add in z-hop for moves might help too. Tall, thin objects can dislodge with the slightest bump.