[Warning, this got long.]
The 13th century is more complicated than you think. ;-)
As mentioned, the link you posted is very much not a 13th c. dress. This link: http://tinyurl.com/4y8hmpk
is to a miniature from the Maciejowski Bible, which has been dated at 1265-ish.
If you are looking for *early* 13th century, the silhouette is not quite the same, not quite as loosely fitting through the body, and women are still wearing the long rectangular veil and that poncho-like overgarment. The underdress is ruched at the forearm, which is generally interpreted as extra length smushed up onto the forearm creating wrinkles, and frequently puddles on the ground around the feet.
This one shows Mary and Elizabeth wearing the voluminous undergown and then the Byzantine-esque overgown which is cut straighter, has 1/2-length or 3/4-length loose sleeves, and falls to about mid-calf. Most people will think "12th century" for this garment. The "tailored" overdress is generally not belted, the voluminous dress usually is.
I have no idea who that third woman in the Visitation miniature (on the bottom) is. She could be a servant but I don't think so--her hair is loose and unbound, and she is wearing a semicircular mantle, neither of which suggest servant.
You will need to click on the image to get a larger version, as the miniature is very small: the women in this one have the long veil, the poncho, and the long full dress but not the shorter overdresses.
And here, the woman on the lower half of the page has the "Norman" gown with the wide sleeves.
Now, if you are looking for the "classic" 13th century look with the hat and the band under the chin, you need to go later than 1220 (I have not been able to reliably date the hat in England before 1230, for instance). For the general look, the sleeves are snug to the forearm both ruched and not, and the gown is loose and full through the body and is belted. The sleeve can be more of a raglan-type sleeve in silhouette, with the armscye starting several inches lower than where the arm actually is.
Like here (scroll down for Ruth, she's the bottom figure):
The woman in this one is wearing the hat and a sleeveless overgown (cyclas), the precursor to the sideless surcote:
St. Felicity in a very typical 13th c. look, with a hat and a hairnet:
So now that I've totally overwhelmed you, did any of that help? ;-)
--- In SCA-Garb@yahoogroups.com, "osanna_de_rosslyn" <osanna_de_rosslyn@...> wrote:
> I posted this morning and have not seen it on the board, so I thought that I would repost.
> I am looking for help sewing a dress, am getting flustrated with the dresses I am making. I am in the Portland OR area.
> Here is a picture of the dress style I would like to make