Here's a model of Articulated flexi Iguana.

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Filaments used.

BambuLab PLA Green BambuLab PLA Black BambuLab PLA White Polymaker PLA - Pastel Yellow You can download the .3mf file from here Print Recommendation 2-3 walls 5-15% infill No supports Print in 4 Colors of your choice ( Modify in slicer If you like) Add brim if needed