

How to post-fix bad bridging on PA6 Intake-Manifold.
Crosspost from r/3Dprinting: I don't know what the matter is with the people over there, they click comment without reading the post first, especially the entitled 1%-commenters.
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Hi there,
I forgot to check what direction the slicer went with the bridges and didn't expect this outcome. It may not look a lot on the picture, but the drooping is quite sever in the middle at ~20mm. Yes, the previous print had the bridges correctly oriented and it was fine.
The printing temperature was rather high for better layer adhesion and I didn't tune the bridging before either.
*Re-printing is not an option*, the screws on the right are M5 and this is Formfutura PA6-GF30, clocking in at 71€ per kg, which makes this a 60€-part, drying and printing time + energy aside.
Regardless, this is the result and I didn't rip out any strands yet because I'd like to fix that in place.
Does anyone have any ideas on how to fix this? I thought about baking it, but I am worried about warping, making the part useless.
Alternatively, I'll whip out the heat gun but I wanted to ask the community for other ideas first.
This is the inside of an intake manifold, so it should end up somewhat smooth.
Yes, I know my way around epoxy+adhehesives, I literally work in the automotive adhesives industry.
Printed on a Voron 2.4r2, 350mm, PrusaSlicer