How come my surfaces wont thicken

I'm not a surfacing expert, But it has to do with the sharp corners between faces. I was able to thicken it by adding .005 fillets.

It's not as easy as I made out. I'd roll back the fill surface and the mirror, and work on one side. You can add fillets 1 at a time until the surfaces thicken, or you can try to fillet everything. Some things are going to be pretty hard to fillet, so you might be trading one problem for another. It's a shame--that's some pretty sweet surfacing for a school project. What school/class is this?

Hi Andrea,

Nice model!  - what thickness are shooting for?

I have it at .05" but will have to do some further work to get it to something like .1">

Thickness is rarely a good solution for trimmed and knitted surface bodies because Thickness will offset the side faces normal to the thicken surface specified. Many times, the modeler can not resolve intersection between the side faces.

A better solution is to think like a manufacturer and use shell instead, but first you must cap off you object using front, side, top surfaces.  See attached example of how to do this for one of the pieces for you mask.

Mark

Well, then you should be done. Thicken everything and then mirror the thicken--you don't have to thicken the mirror.

Also, I'm suspicious that the fillets are just repairing some screwed-up geometry. There is probably a way to go through each feature and get things lined up in a way that makes the underlying geometry healthier and averts this problem. But if you got it working, you will probably just move ahead--the semester is rapidly coming to an end

I'd be interested to here what actual surfacing guys have to say about this.