Shirt Alterations

Sale price$199.99 USD



Are you looking for pattern alterations that are:

  • Lightning Quick?
  • Meticulously Accurate?
  • Crafted by experts with over TWENTY YEARS of experience?

Stop looking now! You’ve found the best clothing and apparel alterations service around.

All you need to do is provide us with your pattern sheet and let us do the heavy lifting to realize your vision – we’ve been helping businesses like yours thrive with their fashion alterations – just imagine the efficiency we can help bring to you…

The SMART PATTERN MAKING team have created thousands of fashion products for over two decades and you’ll have this expertise right at your fingertips throughout your entire journey – making sure your pattern alterations are completed accurately and quickly.

Keep your design looking exactly the way you imagined it would…

Our experts would be delighted to help with your sewing pattern alterations, fashion fit alterations, clothing alterations and everything in between.

SMART PATTERN MAKING – the best place for same day alterations Los Angeles.

Got a question? Curious about clothing alterations prices? Looking for shirts alterations near me?

Drop us down a chat NOW and we'll get you started!

Stuck for examples? Try button down shirts patterns, dress down shirts patterns or western shirts patterns – Men shirts pattern or Women, we cater for all – your imagination is the limit!

Custom Button Shirts Pattern Alterations

1). Neck width seam to seam= Remove 1/4" 
2). Shoulder width seam to seam= Add 1/2" 
3). Front left pocket width= Remove 1/4" 
4). Chest 1" below armhole= Add 1" 
5). Across chest= (2 1/2" below neck)= Add 1/2" 
6). Across Back =(4" below neck)= Add 1/2" 
7). Waist placement from (H.P.S 14 1/2")= Remove 1/2" 
8). Bottom opening sweep width= Remove 2" 
9). Bisep 1" below armhole= 
10). Sleeve Opening= 


11). Shoulder slope= Bring up 1/2" 
12). Front neck drop from (H.P.S) to seam= Bring up 1/4" 
13). Back neck drop from (H.P.S) to seam= Drop 1/2" 
14). Front left pocket length = Add 3/4" 
15). Body front length from (H.P.S)= Add 2" 
16). Center back length from neck seam= Add 2" 
17. Armhole( straight 7 1/4") = Drop 1/2" 
18). Side length-below armhole= Add 1" 
19). Sleeve length from (C.B.)=


20). Collar point= Add 1/4" 
21). Collar width at CB.= Add 1/4" 
22). Collar stand height= Remove 1/4"


IMPORTANT: Please write your Button Shirts pattern alterations following the format above. Add measuring points that need modifications or delete measuring points that you do not need to modify in your design.


All measurements to be applied around the body are total measurements. Example: if you add 1" to your chest measurement your total chest measurement will increase by 1" inch only around the body.


Fashion industry terminology and abbreviations 

 (H.P.S.)= High point shoulder

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