the easiest way to make a pants pattern is to copy from a pair of existing pants (preferrably your favorite pair) then you'll know the pattern will fit the best. i personally have made copies of all of my favorite articles of clothing (shirts, pants, skirts, jackets, hats, gloves, etc.) then at least you know that they will be exactly how you want them. transferring and existing pair of pants to paper to make a pattern is actually quite easy ...
Tutorial for making patterns from existing clothing :
I love link, i am planning on making a link shirt for my hubby (yes, we're both nerd too, i just got done stenciling him a james bond shirt -- he owns the whole collection) anyways here are some ideas for quick stencils, it actually is really easy to do, and he'll love it. my hubby asks me every once in awhile to stencil him a new shirt, i've made him quite a few and the guys at his work are all jealous. so here are some links to link pictures
your method is also called "draping" if you do it right, i took a course on doing it in college. it makes it super easy to make patterns that fit you exactly, anyone who's interesting in making things this way, i would recommend buying a book, or checking out one from the library, fun stuff once you learn how to do it, you'll never want to stop.
i've sewn actual pockets on the inside of pants, for when i dont want to carry a purse (i've done it to almost most of my pants now), and it actually works out quite well, i would imagine it could be used for the gym, going clubbing, what have you.
i just cut out a rectangle a little wider than a credit card (although since your gym card is larger, make it larger than that) and longer i usually add about an inch+ on the length (you want it long enough for the pouch plus a little top flap overhand, and then seam allowance.)
then you'll hem the top and bottom edge (turn over 1/4" sew, turn 1/4 again and sew -- enclosing the seam allowance) then fold the rectangle (inside out) so that there is a 3/4" flap over the rest of the pouch (make sure the flap is inside of the outer potion of the bottom of the pocket -- so that when you turn it right side out it is on top) then sew 1/4" from the edges, then 1/8" from that seamline -- to keep it from fraying too badly, then turn right side out.
to attach it to my pants i sew it into the bottom of the waistband (where the waistband attaches to the pants) i sew right along the bottom of it, in the ditch -- where the stitches will be hidden, and i sew right along that line about 1/4" - 1/8" from the top fold of the pocket. it has worked great so far. i've even done it for friends.
i tried to draw pictures but i dont know how to get them in the post, oh well. if it doesnt make sense, email me and ill try to explain it better :0)
hope this helps, i need to start going to the gym, what a good idea
TEXLABELS.com (or net can't remember at the moment)
anyways, they are great! i order mine through them, and they can custom make them however you want (mine has my logo) 1000 pcs, for $280. not a bad deal if you are serious about wanting to start a business. Good luck, hope this helps!
okay, so this is actually very easy to insert, using the "jordy" sqaure bottom bag tutorial (which after you cut out looks somewhat like a fat bottomed T right?) cut two rectangles (the should be the size of the height and width of the finished bag, plus seam allowances, i usually make mine a little lower than the actual hieight which will allow for sewing the top edge of the lining to the top edge of the outer fashion fabric) When sewing the lining of the bag (which you will sewing the side seams and the bottom seam, and then the corners right -- usually) DO THIS INSTEAD: Sew the side seams (with the side seams of the pocket sandwiched inbetween) (oh and finish the top edge of the pocket first before you do this, whether you are just going to edge finish the edges, or put in a zipper) stitch the corners closed, then stitch the bottom, leaving an opening (so you can turn it right side out, DUH) then sew to outer fashion fabric as usual. turn right side out, then finish the opening shut.
if this makes no sense e-mail me and i'll try to explain better. but i make purses all the time in this manner, and it works great.
http://www.craftster.org/forum/index.php?topic=2684.0, a basic messenger tutorial, just measure your books, and make the bag big enough for them (i would add some extra room so the bag is not too tight (like measure then add 2 inches or something.) if you have any questions email me, i am a patternmaker (ie have worked for companies making patterns) so if you run into any problems, let me know and i'll try to talk you through it.