Good question, I defer to :
Aid Another
You can help someone achieve success on a skill check by making the same kind of skill check in a cooperative effort. If you roll a 10 or higher on your check, the character you're helping gets a +2 bonus on his or her check. (You can't take 10 on a skill check to aid another.) In many cases, a character's help won't be beneficial, or only a limited number of characters can help at once.
In cases where the skill restricts who can achieve certain results, such as trying to open a lock using Disable Device, you can't aid another to grant a bonus to a task that your character couldn't achieve alone. The GM might impose further restrictions to aiding another on a case-by-case basis as well.
So in other words... It's up to your DM.
Happy to be no help at all, cheers =/
Yes, another crafting thread...
The Cooperative Crafting feat in the APG states that "You may assist another in crafting..." and so on.
My question, is it possible to have more than one person assist a crafter?
The situation I'm thinking of is having the PC with cooperative crafting and having cohorts or whatnot all with cooperative crafting as well and appropriate crafting feat as well. Keep in mind my GM allows me to design my cohort and followers.
The point of this is the end line of Cooperative Crafting which says "...and your assistance doubles the gp value of items that can be crafted each day."
I understand that since the circumstance bonus is typed, it will not stack, but the main thrust is whether having all the cohorts help will stack the doubling effect.
RAW no, at least thats the way I read it. I understand perfectly well, that crafting that +7 weapon takes months, and most characters don´t wont to spend the time. And given the fact that the party wizard doen´t just create magic weapons for the fighter but also for the rogue, the ranger, the paladin wants a new shield....
But to be blunt I see no reason not to allow several assistants to help with creating a magic item. On the other hand there should be some kind of limit or check something like up to [casting stat bonus] people can assist the primary crafter.
At the end of crafting evey assistant has to make a spellcraft check against the final dc of the item -10. For every success add +2 to the primary creators spellcraft check, for every failure substract 5 points from the result.
(You don´t need any rule I just suggested, they are more or less a way for a DM the penalize a player if he uses unskilled help or abuses the system)