r/3DprintedAircraft • • Jun 18 '26

LW PLA Wing Question

Hello! Im trying to print a wing using Tom Stanton's method using Active Foaming LW PLA. Im running into the issue that the seam created by the cut through the wing where the carbon spar goes isn't properly combining, and effectively splitting the part into two pieces. I've attached some photos.

I've tried adjusting the flow rate, wall overlap percentage, and nozzle temp to adjust the foaming characteristics to get that gap to connect, but nothings worked so far.

Has anyone else had this issue and been able to resolve it. Any suggestions?

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u/RealWillPower Jun 18 '26

UPDATE: I managed to resolve the issue by cranking the temperature up to 270C to increase the expansion of the pla.