won't print some parts

[xmhdx]

i downloaded a moddel from thingiverse but when i click 'prepare to print' it won't show some parts.

[dsegel]

Can you post a link to the model? Or it's number? This usually means there's a problem with the stl or scad file.

[jimc]

yes when you see strange slicing behavior and areas filled in that arent supposed to be like in the first two circled item then 99% of the time its a problem with the model.

[KC_703]

When this happens, usually a "reverse face" will fix the issue. If it doesn't, reverse the face in the desgn software. If manifold is verified, then filp an adjacent face and flip it back.

[xmhdx]

thank you for the replies, the ; reverse face' worked