![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi53864Wph1LZzEZoevIjISUKc-w-dbLY-eF5sPRM7vPZyV57U5czJGgahPGZKbPE2USLRc0JEKX7JJvpC1m7PF01cRBKLdHp5RbKwIwscV7wg3qZiLXwJxNKhtelZw4l1PQL3R1-gl_kl-uhHsQ3J_FmVA9aTJFaHtsry9hlXe9UATmkY70KGGi8fxur2k/w300-h400/IMG_2538.jpeg) |
Cut the fabric so the greater stretch goes around the body or crosswise |
This is a long post.
Several people have asked me to share how I sew a swimsuit. I've made swimsuits for myself, my kids and now my grandkids. I made my first swimsuit during my first pregnancy. I learned the tips of stitching suits from my mom who taught a number of adult education classes, Swimwear was one class she taught! She made my suits when I was in high school.
My patterns are 35 to 40 years old. Mostly they are Stretch N Sew; but, there are a few Kwik Sew and even a Butterick! In addition to choosing a pattern size that reflects your bust, hip and waist measurements, you also need to look at the overall measurement. If you've ever had a suit that made you feel shorter, or pulled on your shoulders, likely, the overall measurement was too small.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ47uv2xMYxU6Nx9_hq0KN1L4L4CdyM50z5LpQfj6kz29o-Q50utFDwhqGjKEh1SvmGD-iKvIegJ2E8oeh7SlwGU7xcSOqGaYAkTIOGLMYhSXu326IwdlbClrTN1exG8_X_FuWj-7slFZHzUkRCt0hf1-9sQe_iWCW2OX8wrqAERddXC7CDYA79brfSXCq/w300-h400/IMG_2539.jpeg) |
Crotch front compared to crotch back |
Your overall measurement is the distance from your crotch to over one shoulder. The tape goes around your whole body: front, back and breast. The measurement reflects the depth of your body. A suit with the correct overall measurement is comfortable to wear for hours and hours. I lengthen my suits a couple of inches because over the years, I've gotten much thicker through the middle!
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmEEW49tpyTahyphenhyphendSkuhr64xMmI8YRWMMCVSgGjr7iDqmZqhMdqgp9uN_KWLjY6WN7Ihp91dZuhpJhrgHa2M7h8f4wWbk3fIR_t86jsbJeyVq4VqcF9nf5Hl6d-2oNXImu2ygbjGNrGi5Joe3LyEgHgnD4v7jy-hrIp55yMbF8hPOYltLMB8LM2qBCzxJXK/w300-h400/IMG_9748.jpeg) |
Crotch seam pinned and ready to sew |
Once you've selected your pattern, made the necessary adjustments and drawn the pattern on tissue paper or some other pattern type paper; it's time to cut out your suit. Swimwear fabric stretches in both directions. Often the lengthwise and crosswise stretch are the same. Sometimes, there is a difference. Pay attention to the stretch. You want the crosswise stretch going around your body. If you make
a suit with the stretch going vertically, it is uncomfortable and difficult to get on and off.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhx8XwWoXF8iH1XIjr0i_d8skhcuEwG_uKziz4izhALldqj3V3Cn4WJ9PGqOXT6K-j4nzd7b-8lfOlnjHG3Gd4NrlhRczRTE7zedclGI_R-Boxx0jVdypbPz56UP7LLgcUclKo-KlBE8PHAjb96F-BR5iVqchDyBM1g1YvRk8jM548Dwjj3-87cC6n_vPVn/w300-h400/IMG_9749.jpeg) |
Stitching the crotch with a 5/8" seam |
Some people say not to poke holes in swimwear fabric and to use weights to cut out the pattern pieces. I use sharp pins and don't have issues. I have used pattern weights too and both ways work. If you want to line a suit, cut out your lining now as well. The lining fabric has stretch too so treat it just like you did your swimwear fabric with the greatest stretch going around your body. If you are lining your suit, you won't need to cut a crotch lining piece.
The suit I'm making in this tutorial isn't lined. In this case, there is a crotch lining which is a small pattern piece. Sometimes people are concerned about the crotch seam because the back of the fabric piece is larger than the front of the pattern piece. This is normal. You will pin the sides and then ease the pieces to fit.
For this suit, I've pinned the front and back crotch seams right sides together. I've added the crotch lining, right side to the wrong side of the back crotch. Use a cotton or cotton/poly thread. I used the stretch thread and found it didn't hold up well to the chlorine.
With an 80/20 needle, I stitched with a 5/8" seam allowance stretching it as I stitched. If you find the needle causing little runs in the fabrics, you could try a ball point needle. I've used universal, sharp and ball point needles. All worked. I am a Schmetz needle fan.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIBGkcWtqg-as9ODjz-inwsekLj9hfDKnrpaRPYEj5EPIGm7Du-yEe64eLuLBajqjERah00AaHfVtKBHqe6j5HsMYVarVg-FFWSg1o7CXcP_wIjaMv9p-18sFyUups6DjL7SaxImLAPEat9Lj7wu_pJMXkiHqxuNf-30buwfTP9qgHNmv_9CmuLWFfBJWD/w400-h300/IMG_9750.jpeg) |
Serging the seam |
Stretching the seam allows the seam to take stress when you are putting the suit on and taking it off. If you hear popping noises, you are ripping stitches which means that suit isn't going to wear well! Don't panic if you hear those noises the first time you wear it, you do sew the seam a second time. I use a stitch length of 3.5.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7wCV63njRT6_CRErjsBxzy-q_mFih4-26Zn_hRI9qXN1Ha90lkkm_e15OvOkToHBL6BcMJ2-1WRx2XQuPZvJVMqhDriAfzKtyDyzmzzZIWhsXyXMz6pB1BQroN2zsTTgpSbMOT06qbsYLK6uBX64vu8oDnj1b0FFrTrJ1_GtUENWsI7RswM7opANRWhXW/w300-h400/IMG_9751.jpeg) |
Serged crotch seam |
Then I serged the seam, leaving a quarter inch seam allowance. The serger is set up to in normal stitch mode. If you don't have a serger, stitch the seam a second time. I don't stretch the seams much when I serge and that works fine. I was asked about using the stretch stitch in my machine. I have used it years ago. When I purchased a serger, it was faster to straight stitch and then serge. That stretch stitch is not a stitch that you want to rip!
(If you are lining your suit, you will follow the same steps except you won't have the crotch lining piece in the mix. You will sew the front and the back of the suit together. You will repeat that step for the lining.)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2rhwd-1Cig-tCgfqIymv7tcTybkdTfRAbKWF89tSXCDuHNtYHmf9hglY0ij8qxA_4c9JXg05-5gMeXzftjGl9mZZ-cn8hQFWGlnvWKb96UlRXtGuLuVV18UiNPcfC-ZVfVBqcDoute75UWNKZUAd87PLqM7_GMvNW3_uXaidSQwFIbNAjwFQQlhCUkf-X/w300-h400/IMG_9752.jpeg) |
Crotch lining edges pinned in place |
Then, I flipped the crotch lining piece to the front of the suit. The crotch seam is enclosed. From the right side, I pinned the edges together. Later the elastic will enclose these edges.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJrxM6Kzs5aA-18TLi0KKbkAyaKvofTW1yOrUwDtvNhHiBCGUrW6dijmvGFaonQbkDUS0Lxt0_29qlu8Kc2GVIXjqa4FvJs5cRCaZNWz23VUff77qG5nt6d2dFHU5JNVvaCKDbQtjvvi0ZvVNlg45VdS0uJWIDVqkKCbGYSKSye64387De-JzEU2HjRTF3/w400-h300/IMG_9754.jpeg) |
Stitch 1/4 inch away from crotch seam |
I stitched a quarter of an inch away from the crotch seam. This holds the fabric in place.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqMJqOeuUOzbrhrgmRhMgXVN-jJvnNHBEKkm7QlyW2hviS0sYUp-DLqB2jy-TbHlfmOAhh5ZXFOKvquWIMiuvIZj6H-uHH36Hd2GWxtUs7U_gR_-UeDptrs3YSSdp1z93NUsYsbn0x3YAUedOIjW0xph8qF1eGfL_u03zYGpz4XCxhZ-iFe8ef0dC-agz0/w400-h300/IMG_9755.jpeg) |
Crotch seam view from the wrong side of the suit |
This is what the seam looks like from the wrong side of the fabric.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXSRa3FeqcFXEbCOb8kC2dkizA_wfQkwqPzsj9RSIbMEtuB_VI9Qh3jSbr8pNwNqABThofygd4vGG3ADOTRE6HQccL6D6iQf_G83_iQmrr2KfM61N8qqn20KCWs4wvUXXqirz9PfHkEBeBZBB49qWHt0O7rTJlKFt6ztji2tOxZodACyyb-y8BIxgWWuiz/w300-h400/IMG_9757.jpeg) |
Stretching the fabric as I sew |
Next, stitch the side seams and the shoulder seams using a 1/4 seam. Stretch the side seams in front and in back of the needle as you sew. The more you stretch, the more give the seam will have when putting the on and pulling it off.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgefMTYPMVgDKMvkSNFtiXQAcIOzMOOABDlLCmcqQqdNTlkSQj5dDZ0etAz_Et_TQSG6iW3bayH9pXZb3HgRn2fx2999UazFLxgOP3oHu6uFh53adMLGbzDRgyJEMHhiycXogyNjDvSjNpzRVqLg9NhlnZUUVacotQWaKewvRk5E_hoNg7D5pkC-XcagPix/w300-h400/IMG_9758.jpeg) |
1/4" seam. Don't sew over pins! |
Sometimes people are concerned after stretching the seam that the stitch looks a bit wonky. That is okay. Next serge of stitch the seam a second time. (If you are lining your suit, repeat for the lining.)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEik9jm4XaaeqqInpatVg_pupUsrVqFo4gLpWeHaLryKwMlhb2tvDP-O9YN3aeOCsevnty2rFs8KkvPo9qyGlXzoZoDin6iJMPBmy03hYntMkA3vxS6QFnLY0pAu9sEzrcBvHSp1UgBA6TOR2VuepLjs1IcfT67wBOV61_MfeFBqx0AS43GM1hHQW4SWcaNQ/w300-h400/IMG_9761.jpeg) |
View of the stitched and serged seam |
If you are lining your suit, place the lining wrong sides next to the wrong sides of the suit. Pin around all openings: arm holes, neck and leg opening. With another color of thread, Baste the edges together using a long basting stitch. Stretch as you stitch. Trim the lining close to the basted stitching.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDcSbMc_Dx_vToHBVvsEJoXnPlxiOLCG-Wmhn8yM5PN9JIqBTFM3NaGZiB1LrbjVC5locQQDpAWK4d6J7kNjEg84s0d3v3I95TK6Hs-dmacI-IEt6Rp1bsRUAaZvnZcqBbah1yZbi7Vlwi0rotcQt9KdlrbOCiFjh4n86XJig2AbOVZRfIL7qKOnLXdkSr/w300-h400/IMG_9770.jpeg) |
Roll of 3/8" elastic |
Now it is time for elastic insertion. The pattern instructions will give you guidance on how much elastic to cut and what size to use. I use 3/8 inch swimwear elastic. I bought a roll of it
on line years ago. This elastic holds up better to the pool chemicals. Manufactures often use clear elastic as it is less bulky than the elastic in the photo. I haven't stitched with that so I can't comment on its use.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgaDVntc9q3GNp3q2Fygla8z47W9b2yzto9c4aqaRwoOZf3SUY43s1E7QexLRX3x04f21cxt9i-m_QCOwYRAq5pD22jBBjNwCor6qtKJfJM0hVI_Kl5I9yKfgfHvUg4dfFcWMgZG9upEnKh2u23fWGMmi_a0ZSQ6oSKmX5d761WzII_CiMws3S2CTgbV4RT/w300-h400/IMG_9762.jpeg) |
Setting used to sew elastic ends together |
Most of the patterns will say to use a one to one stretch for the neck and armhole openings. I like the elastics to fit more snuggly to my body so I cut the pieces at least one and half inches less than the measurement of the opening.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-MQLLP7X3Mnf-fM0B3OK9n1cVTc_G9YGHORLX-yYaXgdpIl5QgDvBq4qBMvuyb_zEFIAaEWLSF-L_c3UmgGsgM2dSQnAmbHf1G-sBe1OPTTyN2DDtfJA0KFIFM9s0oKgI08vEEEHOvAfAW-r9bl0Xof7AYbgu17F_br0_2Xp_pmTzj_BHFg2oJjJEtL-B/w400-h300/IMG_9763.jpeg) |
Stitching in progress |
When I sew the ends of the elastic together, I butt the edges together and I use a zigzag stitch. I snapped a photo of the setting that I used. I butt the edges together because it reduces bulk. I stitch back and forth several times to secure the join.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAyTGHVKtnA-WXRsZCnWPDWug0GBFW8Y-alz2aJnDwMD3zNbOJBfFvsWKZSoi6_qhNqYbRSgdbEMOXkeewDzkhyphenhyphenImIQQhOPCf7tzw74g0ARF9meXnBKjKf3AoVmDwcsBpVSnu_5b7atYw_YS9CuxqLkrpQtSVcLTJEasINglHw7T_yfaotRe81KAil7DrP/w400-h300/IMG_9764.jpeg) |
Edges joined together |
This is what it looks like when the edges are joined together.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEillT1HkG3AWbJT1v6Cl6DL4a7mWUJDuE_iABAoum9bKhYvFR1VB3jCjExGOl3ADD8iUY_0dWc6AYGoRB-s3BOPJeubrSt4jFJxIqsxOiuHY8grLKVLxfy_GgpfYn7czfivhRlGmT771ok56VT7z0R_d2-JalXyGrGiK4r6P_1-g0jfNSOOurrqXkTkXBVu/w400-h300/IMG_9765.jpeg) |
Divide the elastic into quarters |
For the armhole and neck openings, I divide the elastic into quarters with pins. I then divide the suit opening (neck or armhole) into quarters. I change the position of my needle and lengthen my stitch length and narrow the zigzag width. For the first round of stitching, I move my needle all the way to the right. (The photo shows the needle position for the second round of stitching. I forgot to take a photo of the machine setting for the first round!)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyfTZ0kQUimkDJG6x_m2Mynec-RuKJLI7gNakaHv4VKVPq0CobxpyJy40gcn7RtSWhglpelBR9wv29mrd7-pT7VyNpGvw-9J55igjTHrgVaPqFAU4ztI60u6dwsAbM9mwhA1i2kD5Wpn3oy_TDyC4kNaMfRVQ960tfsdoFu85Xw6j_0ZlOaWHqrVJu6n6k/w300-h400/IMG_9777.jpeg) |
Setting that I use |
I pin the elastic to the wrong side of the suit matching the quarter marks. When I begin stitching, I stretch the fabric in front and behind the needle as well as position the edge of the elastic about one eighth inch inside the edge of the fabric. My goal is to stitch on the outside edge of the elastic. Honestly, I feel like I did as a kid when I would pat my stomach and rub my head!
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUhFt6GBbjQhUJX3tM1motW74L6AH3150RoVmTnUnHA-AE0murr5lnjCMMG4SEbcxqMg2Q1N6tu9WZqsCJZXz0xDqzxh_xzZWPtofe_Y7Umdj0KGX91FFxMySgw15m0mDkfpXWC51S7vchUTlqaFSiopzjLZEyXmWjTOJy1mHadQkmYhClPuUsHiE5Ow5X/w300-h400/IMG_9768.jpeg) |
Needle and elastic position on the fabric |
The reason I want to stitch so close to the outer edge of the fabric is because the elastic will fit better against the body and the suit will be more comfortable to wear. If there is a little fabric to the outside of the elastic, the finish looks nicer.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiN523M5dHw_frrKPtwWGpFDyn6SjnyPjzDosrOIyn_DoqsII74842jqnN3KhimGFYE3dnfy3IvOjrm5t25N44UYulV3hoUi4qf0A0KFbdweaBusfoiuSx-2YQQ5t1W2E_P8vNB5WGcbNYJyD38rGAZETIje7PMJHv6qfA6aUe4jxZOkHzLW_jNyWWVKQ7x/w300-h400/IMG_9769.jpeg) |
Example of the first row of stitching |
You can stitch with a straight stitch or you could apply the elastic with a cover stitch if you have access to serge that contains that stitch. I find the zigzag has less popping when I wear the garment. My serger doesn't have a cover stitch. For years, I've stitched with a wider zig zag because I felt more stitches equaled more stability. I like how the narrower zig zag looks and I haven't had an issue with thread popping.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhMXo4En6ENqdW1ZDjza6tE8k2DIpgSOTVr8o2A2wCi3NV3SyLcdDw7LSVEK7dV1VuhGpkZdgYEP3qJLX-mGd2l7goQXiWw_2iF_IcN2kz-q5LIJEGf19oLj-3lvxWDONC-13qDwxVx9K7WWhD-8pm19V2JgbGw6ciyEgRwYLjLq9TAQZM2MIN9qUZoLu3/w300-h400/IMG_9776.jpeg) |
Second row of stitching applying elastic |
Once you finish the first application of the elastic, the second stitching is simple. You will turn the elastic to the inside of the suit and stitch again. This time, you stitch on the inside edge of the elastic.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMb-kUbs8aqhkydlO5xXT1OBOi3r7GrciyddSSz-LHkqYTUKE6LQixupoAyLyTGCnzFLTLB5IHwz7Sf7qCWv5ZvnJDfQKdRWH-W8fpOqgxgiqmEUCimI6GHE_rzJH9vwsYh1WCaw3TU7vUve7z9oIpo6QPDnJBwEwRJSDhbH4ysPzAPRWIZ1yipxdsJMUc/w300-h400/IMG_9773.jpeg) |
One to one ratio (top of curve) |
Applying the leg opening elastic is a little different. First, I make the elastic at least two inches less than the leg measurement. Second, I apply the elastic to the front of the leg opening at a ratio of one to one. As I approach the back of the leg opening, I stretch the elastic to the maximum possible. I stretch the swim fabric too. I stretch in front of the needle as well as behind the needle.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrqPcMlIUfR1CaQ-ZwfBIIrdRt5ogGbmTVw3Jx3cWYsaVuhH5N8kzBBD3rhP7IPJICl2xl6wY4MQt6U98c5nIy7CwEq3FWcdOgHebodUKMiwIz585fmkUjAyHHVdb3CS4Om9g7i31pUsMOWE6WJutyb6imINQeGLziJaxBKUC4qEw-O3PsAhDSb0inPEYj/w300-h400/IMG_9774.jpeg) |
Stretching the elastic |
This stretching the back of the leg opening is the key to eliminate the uncomfortable issue of the suit riding up your backside. Once you've finished the first application, then turn the elastic to the inside and stitch again.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEht2U9Kb_tU9M0LGIK-386kL787ikkQ0WGtltpPa54ideQnlqWpPltJdqjhHbwpMdyI918fQqqPAH-emd_udV9GHGTNLBpyyjJHpeqJdsJo_FWloQkHFkXzhHBBJMDnkq3H63a6wKPg42CnGRQr9BUXK8jwgWCD0g00CaRFoWLMxapg9xYdUY6LlIROhdlj/w300-h400/IMG_9775.jpeg) |
Note more gathering on the left side of the photo. This is the back of the leg. |
If you lined your suit, all the openings are now enclosed. You can remove the basting stitches. I use a different colored thread so that it is easy to see which thread to pull.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpy9a6fJy0jBj4ldD-b5dk5K9IiSDzQyGDwK5_Lgp1hqKIMCHAFruEAemAhX6hqB-DAcM9h8l-ciS5ot_XifVPmjtjm0UJdUICQMsBWIPJ8wtY5nR63F-XMymsNebVtqyEbDYAt_b7l4jqBX6cpFubYIHNJ1HAVUAxBRbbEDkcYwqHDtDbXsKm3qmCDiIT/w300-h400/IMG_9778.jpeg) |
Finished leg opening. Note more gathers in the fabric next to the table. This is the back of the leg opening. |
You've completed stitching your suit! Put it on. Notice how it feels. Make notes to improve the fit of the next one that you make.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghykWlJcvPqke6pMAXMChXRiZhoaPcQQz95H2fLFq5H46mRRc-vujSUjXnV4xEPV82QOk7VvZpV676DlaTMsKJbsANTktL_Dd69MBcyj_tlaEciXm0GUZAB6jDl4TkGm1JnU3WnzRw25ejLfIW83ND96W_3erl5I1fSRna7WkJJlTRa6kiTVIeDA1aoPMK/w300-h400/IMG_9780.jpeg) |
Finished back |
There is no more of this fabric left. I used it all. My stash use will stand at negative 6.75 yards because I made this suit out of the other half of the quarter yard that I made the new baby
suit that I posted about last month. Finishing this suit was goal number 15 on my February
list.
3 comments:
Good evening Terry.Thank you so much for sharing how you make your grandchildren's swimsuits. That pattern has came in handy. Love the fabric that you chose for the newest swimsuit. I have missed chatting with you these last few weeks . I have been on a camping trip, but I have enjoyed popping in to see what you have been up to. Have a wonderful week. Hugs.
This was a fascinating tutorial, Terry! I have gone back to wearing 2-piece bathing suits — with a T-shirt covering my tummy! — ever since I broke my collar bone in a bike accident and got those screws in my shoulder to fix it. One piece suits in RTW are just a little too short in the torso and that makes the strap on my right shoulder dig into those screws painfully. I had not considered making my own swimsuit and just lengthening the pattern piece! You make it look so doable, too! I did have one question, because I see that you sew on a Bernina like I do: Is there a reason you don’t use that stretch stitch instead of manually stretching the swimsuit fabric and using a straight stitch seam? I thought I remembered in the machine mastery class workbook that the built in stretch stitch that looks like a very slight zigzag was meant for sewing swimsuit/lycra fabrics. Thanks for sharing your process, Terry! Now that I am in FLORIDA (!!!) I should have more opportunities to wear swimsuits, especially since our new house has a pool!
Beautiful job on the swimsuit, Terry!!! I made some when I was young and single, but haven't thought of making a swimsuit for myself in years.
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