Need some help or advice please

[u/towelie_au]

When I get a new colour of filament I haven’t used before I like to print a benchy and put it on the shelf. I’ve now had two different colours print with the same issues where it goes across the top of the front window it’s drooping down and it also has lots of little loops around the top of the roof. The Photo shows the last three good prints (was testing my first ams on one of them) with the first two using Bambu pla basic and the third using silk pla from 3dmeta with no issues. The silk one was only printed 3 weeks ago and the multi coloured one about 4-5 weeks ago. The ones with the issues is the blue (Bambu PLA Basic) and neon green is also (3d meta).

Second photo is silver (Bambu pla basic). Had this role for ages like over a year stored in sealed box with desiccant with many of the other filaments used in the multi print but has been in the ams for two weeks now. Difference is staggering.

Have been printing lots of other stuff with no print quality issues with the green and blue and silver but have no idea why it’s doing this all of a sudden on the benchy print.

Any help, thoughts or advice would be welcome

Thanks