399 lines
14 KiB
Markdown
399 lines
14 KiB
Markdown
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## Step 1: Close the back dart
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First thing we're going to do is close the waist dart on the back panel.
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To do so, fold the back panel double with _good sides together_ making sure to match both sides of the dart on top of each other.
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Now sew the dart close, making sure to use a small stitch length, and to sew all teh way to the end of the dart, even a couple of stitches off the fabric.
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<Note>
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Your back darts should be of equal length. Make sure to sew them precisely.
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</Note>
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## Step 2: Construct the back pockets
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Follow [our double welt pocket instructions](/docs/sewing/double-welt-pockets/) to create the back welt pockets.
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<Note>
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Since these are chinos, you can/should edgestitch around the welt opening.
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It's not strictly required for welt pockets, and typically not done on classic trousers (and thus not should in
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the instructions) but it's a very typically finish for chinos, and makes it easier to keep everything in place.
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</Note>
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### Attach the back pocket facing to the pocket bag
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Join the back pocket facing to the pocket bag by placing them with _good sides together_ and sewing along the longest of the non-curved seams of the facing.
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When you're done, press the seam allowance to the side of the pocket bag.
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### Attach the back pocket bag
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Sew the bottom of the pocket bag to the bottom welt. Press it down when done.
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Now align the top of the pocket bag with the waist and sew it down in the waist's seam allowance.
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### Close the pocket back
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Fold the leg panel out of the way so you can close both sides of the pocket bag.
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<Note>
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Make sure to also sew the pocket welts down on the pocket bag
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</Note>
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You should overlock/serge the sides of the pocketbag so they don't ravel.
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<Tip>
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If you don't have a _serger_ you can always use a zig-zag stitch instead.
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</Tip>
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## Step 3: Overlock the front and back edges
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Before we go any further, we'll overlock/serge the edges of the front and back panels of the legs.
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Make sure to also catch the top of the pocket bag when doing the back panels.
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What we want to to prevent these edges from ravelling after we've completed our trousers,
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and now is the best time to do so.
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## Step 4: Construct the front pocket opening
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The front pockets are a little unusual because they have the appearance of classic slanted pockets, but are constructed on the side seam.
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### Attach the front pocket facings to the pocket bags
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We have two front pocket bags, that each have two pieces of facing to attach to them.
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Align them with _good sides together_ (\*) and sew the facing in place.
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<Note>
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(\*) With a pocket bag, it's not so obvious what the good side should be.
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Do you want the good side to be what you feel when you put your hand in your pocket?
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Or do you want it to be what you see when your trousers lie on the floor with their insides showing.
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There's no right or wrong answer here. You do you.
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</Note>
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### Mark the pocket notch on pocket facing, and front and back leg panels
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There's a notch on both front and back leg panels that indicates up to what point the pocket facing should be attached to the side seam.
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Make sure to transfer this notch to both the (edge of the) pocket facing and the front trouser leg, since it's important we match them.
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### Pin or base the pocket to the front and back leg panel
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Both on the front and the back leg panel, we're going to sew the pocket facing to the side seam.
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However, this needs to be precise, so you really want to make sure you either pin or baste it in place.
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<Note>
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Start with the front, since that's the easier seam. Once you've got some practice, you can do the back
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</Note>
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### Sew the front pocket in place
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Sew from the waist down right until the notch that indicates where to stop.
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### Press the front pocket slant
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Now press the slant of the front pocket, both on the back and front panel, so that it's a sharp crease.
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## Step 5: Close the outseam
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### Baste the front pockets shut
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I strongly advice you to baste the pocket shut/in place before sewing this seam so that you know it's precise.
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Closing the outseam means to place front and back panel with good sides together, and sew the outer seam.
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That's easy enough at the legs, but at the top we have our pocket, which complicates things.
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### Sew the top of the outer seam until the top notch of the pocket slant
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Make sure everything is neatly aligned. Then sew from the top of the waist down to the top notch (this is just over a cm or half an inch).
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### Sew the bottom of the outer seam from the bottom notch of the pocket slant
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Now move to the bottom notch of the pocket slant, and sew from there all the way to the bottom of the legs.
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### Press the outer seam open
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When you're done, make sure to press the seam allowance open along the leg. Don't press the pocket, we already did that.
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## Step 6: Finish the front pocket bag
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### Sew pocket bag close inside-out
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With our pocket opening constructed and outer seam closed, we should now finish the pocket bag.
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Pull the pocket bag out so that it dangles on the outside of the trouser leg. Then place both halves together and
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either use a serger to finish the edge, or sew closely to the edge.
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Make sure you end up at the point where the bottom part of the outer seam starts.
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### Finish pocket bag edge
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When you're done, you can flip the pocket bag back to the inside of the trouser leg.
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Our pocket bag is now closed, but when we put our hand in it, you can feel the raw edge of the seam allowance.
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To avoid that, topstitch along the edge of the pocket bag, locking in the seam allowance.
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<Note>
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If your seam allowance is wide, you might want to trim it back first.
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</Note>
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## Step 7: Bar-tack the pocket opening
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At the place the leg down with the good side up, making sure the pocket bag lies flat and towards the front panel.
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Now at the top and bottom of the pocket opening, place a bar-tack perpendicular to the outer seam.
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## Step 8: Close the inseam
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With our front pockets finished, close the inseam of both legs.
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When you're done, press open the inseam.
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## Step 9: Close the crossseam
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Make sure one leg is turned with the good side out, and the other has the good side in.
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Not tuck the leg with the good side out inside the leg that has the good side in.
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This way, they have their good sides against each other.
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Aling the cross seam, starting at the back waist, pinning both halves together as you make your way
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towards the fly. Stop at the lowest fly notch.
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When you're done. Do it again. Always sew the cross seam twice.
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It's one of those best practices you ignore at your own peril.
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<Tip>
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Take extra care to carefully align the seams where both legs have their back and front panels joined together.
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Doing so will ensure your cross seam results with a perfectly aligned _cross_ where 4 pattern parts meet each other in a single point.
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Getting it just right is one of those things you'll end up cherishing each time you wear these.
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</Tip>
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## Step 10: Construct the fly
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### Close fly extension
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Fold the fly extension on its fold line with good sides together.
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Now sew along the bottom, to close the fly extension.
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Trim back one half of the seam allowance to remove bulk before turning it good side out and pressing.
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### Serge the fly extension and fly facing
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Serge (or zig-zag) along the open side of the fly extension. No need to serge the top as that will get caught in our waistband.
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while you're at it, also serge along the entirety of the fly facings J-shaped edge.
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### Cut away the extra seam allowance on the left leg front
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There's extra seam allowance that runs along the fly. We only need this on the right leg panel.
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Cut it away on the left panel so you're left with the regular seam allowance only.
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### Attach the fly facing
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Sew the fly facing to the left front. Place them with good sides together, alingning the top.
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### Tuck in the tip of the fly facing
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Fold the bottom of the fly facing seam allowance inwards and secure with a few stitches
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### Edge stitch the fly facing to the seam alowance
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Sew the fly facing to the seam allowance. Make sure to leave the front panel out of it.
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### Press cross seam, fly facing and the fly edge
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Press open the cross seam. Press the fly facing to the side.
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Then, fold over the extra seam allowance on the right front leg and press it down.
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### Baste the zipper to the fly extension
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Place the zipper along the (slightly curved) edge of the fly extension.
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Now sew along the edge. No need to get close to the zipper, just sew along the edge to hold them in place.
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### Attach zipper to the fly
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Now place the right front leg's fly with the extra seam allowance that you folded back on top of the zip.
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Use a zipper foot edge-stitch the folded-over edge along the zipper edge.
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<Tip>
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You might want to baste this first to make sure it is nicely parallel to the zipper. Close, but not too close.
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</Tip>
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### Sew the zipper to the fly facing
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Now sew the other side of the zipper to the fly facing. Make sure to align it properly so that
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when the trousers are closed, the zip is hidden
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### Finish the cross seam
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Sew the last bit of the cross seam up to the highest fly notch.
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### Sew the J-seam of the fly
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Now topstitch the so-called J-seam of the fly. Make sure to keep the fly extension out of the way.
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### Bar tack the bottom of the fly
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Now bartack the very botton of the J-seam (the horizontal part) but this time make sure to also catch the fly extension.
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## Step 11: Attach the belt loops
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### Construct the belt loops
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<Note>
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For efficiency, we will contruct one long strip of belt loop that we'll divide into 8 parts.
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</Note>
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Cut a strip of 80cm long (32 inch) and 2.8cm wide (1 1/8 inch).
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Serge (or zigzag) the long edge of the strip on both sides.
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Fold one side inwards, and the other side over it. Then press down with your iron.
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The end result should be a long strip about 1cm wide.
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Now sew along the entire length of the strip, smack in the middle of it.
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Make sure to use a generous stitch length for this.
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Finally, cut your length belt loops strip into 8 equal parts to make 8 belt loops.
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### Attach the belt loops
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We're going to divide our belt loops along the waist:
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- 2 at the center back, each set aside a bit from the center so there's a small gap between them.
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- 1 above the back dart on each side
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- 1 on each side more or less where the side seam would hit the waist if it went straight up
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- 1 on each side from center front. Not too close to each other so there's no room for belt buckles, but not too far either so it doesn't look weird
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Place the belt loop at these places with their good side down (against the good side of the fabric of your trousers, and the top aligned with the waist.
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Sew this down in the seam allowance of the waist, making sure that they are perpendicular to the waistband.
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## Step 12: Attach the waist band
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### Assemble curved waistband
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If you're making a straight waistband, skip directly to attaching the waistband to the outside.
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Place both waistbands with good sides together, and sew along the top of the waistband (the shorter edge).
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Trim the seam allowance of the inner waistband, and press all seam allowances towards the inner waisband.
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You can now treat your assembled waisband as one piece, and continue as for the straight waistband.
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<Tip>
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To make sure your inner waistband doesn't peek out, you can _understitch_.
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Sew a line of stitching on the inside waistband, close to the edge, through the inner waistband and seam-allowances (but not the outer waistband!).
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</Tip>
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### Attach the waist band to the outside
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Place the waistband with good sides together along the waist.
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For the straight waistband, make sure the side with the standard seam allowance is aligned with the waist,
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and not the side with double seam allowance.
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Also make sure to leave suffucient seam allowance beyond the start and end of the waistband.
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Sew along the entirety of the waist, attaching the waist band and sewing down the belt loops in one go.
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### Press the waistband seam and fold the waistband
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Press the seam you just sewed, pressing the seam allowance up into the waistband.
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Now fold over the waistband at the correct width and press in the crease.
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### Close the start and end of the waistband.
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At the start and end, fold the waistband over so it has it's good sides together.
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Now sew the end shut by sewing top to bottom to just the point where the waistband seam ends.
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Trim back the seam allowance a bit so you can tuck it all into the waistband later.
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### Baste the waistband in place
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The waistband has extra seam allowance here, and we're going to use that to our advantage.
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Fold the waistband in the fold you pressed. Then on the inside, fold the seam allowance inwards, making sure to let it run a few mm beyond the waistband seam.
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You want to baste this in place so it stays put as you make your way around the waistband.
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At the start and end of the waistband, you'll need to tuck in some more seam allowance. Take a moment to get it right.
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### Sew the waistband close
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Now with the good side up, sew exactly in the seam that was sewn before (so called _stitch in the ditch_).
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This will catch the back of the waistband which we've made to extend slightly further, and lock all the seam allowance inside.
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## Step 13: Finalize the belt loops
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### Sew the belt loops down to make them wider
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It's best to make the belt loops a bit wider than the waitband, to accomodate wider belts.
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For this, let the waistband lie flat, and sew it down with a bartack 1.5cm or so (half and inch) below the waistband.
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### Fold upwards, down again, and sew down
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Now fold the belt loops upwards (hiding the bartack you just did).
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They'll extend beyond the top of the waistband. So fold the excess down again.
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Don't fold it over/around the waistband, but fold it double on itself.
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Now do a bartack along the top of the waistband to lock the belt loop in place.
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When you're done, carefull twist the back of the beltloop to the front and cut off the excess right next to the bartack.
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<Note>
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Be careful not to bartack the front of your trousers to the back.
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Double-check you don't have any extra layers under your needle because unpicking a bartack is no joy.
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</Note>
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## Step 14: Hem the pants
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Fold the hem allowance halfway up, and press.
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Then fold them again, and press again.
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Finalize by hand and blind hem your trousers.
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## Step 15: Button on buttonhole
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Create a buttonhole. Either by hand (it's worth practicing) or with a machine.
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Finally, attach the button.
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Now take a moment to appreciate all the hard work you did.
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We hope you'll get a lot of wears out of these.
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