|This was Peggy Sagers' 4 Day Workshop. Peggy owns Silhouette Patterns.
The workshop cost $700. Price does vary by location so just use this number as a rough guide. This was her first year doing it in VA. Fortunately for me, it was less than 10 miles from my house so I did not have hotel or travel expenses.
To prepare for class you do a muslin of her pants pattern, number 3200, and one of her jacket patterns (your choice). To do the muslin you use larger seam allowances (2 inches at the side seams for example) and a long stitch length. She sends instructions about 5 weeks ahead of time. It is a real pain to sew with those huge seam allowances but it is useful if you need to add extra room later.
In class (which had 11 students in this one), we started with the pants muslin. Each person got fitted for the pants muslin. Then, you sew in the changes she pinned in. After that, you get another check on the fit. If it's OK, you then cut apart your muslin, fix your seam allowances (down to the normal 3/8), use that muslin as your pattern and cut out your real fabric.
That process is repeated for the jacket muslin and whatever other muslins you bring. Each person's progress was different. Personally, I got my pants finished (except for the hem), almost got my jacket done, have sewn-in changes done and checked for a tank top, and pinned in changes for a blouse. I also had 2 other garments that were finished from other patterns pin fit for future improvements. I would have gotten my jacket done (I think - or at least very close to done) except for making the right sleeve twice. So, I had to recut to make a left sleeve. Except of course, I made the right sleeve again. I decided to finish my jacket at home at that point.
Periodically, Peggy would have a "class" - on armholes/sleeves, installing a fly front zipper, how to compare your muslin pattern/sloper to a new pattern to figure the changes you'd make, etc. She'd also stop if there was an interesting/educational fitting issue being addressed on a student.
Generally speaking, the time was well used. There is some waiting around time, especially on the first day, when there a longer line of people needing the first fitting. If you go, I'd recommend you bring some extra traced or cut muslins so you can cut/sew something while you wait. You will be able to get those extra items at least pin fit before the workshop is over even if you don't have time to sew them.
The location we were in was very spacious. Peggy brought her Rowenta steamer - that was nice to use. She also brought some of her garments - very nice to see them on her and up close.
I do think the workshop is expensive but I also think it was pretty good value for the money. Peggy is such a patient teacher and really seems sincere that what she wants is to help you get a good fit and learn how to get that good fit again b/c that will make your sewing more fun and fulfilling for you. The atmosphere among the students was so positive and enjoyable that I can really see why several attendees were repeat customers. A side benefit of the workshop was getting to meet a few PR members in person who also attended.