This multicolour drawer pull is made from multiple STLs.  If your printer is multicolour capable, simply drag all these STLs at the same time into your Slicer and it will recognize that it is an object made from multiple STLs.  After that, assign a color to each and print.  This was printed some time ago for my grand-children but because I do not have multicolour capability anymore at this moment and the actual drawer pull I printed is not available for picture, I can only offer renderings as pictures.  I tested Bambu slicer and Prusa slicer and everything looked ok.

Prints well in PLA at .2 mm, no support.

Note : Is possible that because some of the STLs are small, the slicer will offer to rescale them when you import the model.  DO NOT RESCALE when asked by the slicer.