![Screenshot (338).png](https://static.wixstatic.com/media/509229_4a643343242345688250b799119ae0f1~mv2.png/v1/fill/w_980,h_551,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_4a643343242345688250b799119ae0f1~mv2.png)
Redesign of a Bullet Resistant Vest for Anti-Terror Attack Force
Designing an ergonomic bullet-resistant vest for the commandos
Project duration: 3 Months
Mentor: Prof B K Chakravarthy, Prof Asim Tewari (Tech guide)
Project type: Individual
Background: The project was done as part of the semester project (P2) focusing on redesigning an existing product. This project was chosen based on my experience living and observing different military zones with my father who served for more than 25 Years. This project is a tribute to all the soldiers who put their lives on the line every single day.
Keywords: Bullet Resistant, Ergonomics, Pattern making
Tools used: Solidworks, Blender, Procreate, Laser cutting, 3D printing, Sewing machine.
Design Process
Research
Comprehension
Product Brief
Conceptualization
Crafting
Testing
![Slice 8.png](https://static.wixstatic.com/media/509229_10ff8c37313440929b297d2779303298~mv2.png/v1/fill/w_980,h_551,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_10ff8c37313440929b297d2779303298~mv2.png)
Typical construction of BRJ
![Slice 4_edited.jpg](https://static.wixstatic.com/media/509229_5c9b431ef84b4693b08d3398c83dffc4~mv2.jpg/v1/fill/w_980,h_446,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_5c9b431ef84b4693b08d3398c83dffc4~mv2.jpg)
![main-qimg-92718b8fb213623644dffe40d1b6ae74-lq.jpg](https://static.wixstatic.com/media/509229_78cc06694b95408aa347d9dce7d569d1~mv2.jpg/v1/fill/w_720,h_480,al_c,lg_1,q_80,enc_avif,quality_auto/509229_78cc06694b95408aa347d9dce7d569d1~mv2.jpg)
Product Brief
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Weight of the vest must be not more than 10 Kg
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Vest should be adaptable to hot/cold climate
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Arm movement should not be restricted
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Slim fit
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Modular - should fit all accessories when required
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Should not make sound
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Accessories should not move or make sound while running/jumping
Ideations
![Slice 11_edited.jpg](https://static.wixstatic.com/media/509229_2751ab6bd5054cd0944c6d3c79ac9602~mv2.jpg/v1/fill/w_980,h_521,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_2751ab6bd5054cd0944c6d3c79ac9602~mv2.jpg)
Wearability
Body Fit
![IMG_0503.PNG](https://static.wixstatic.com/media/509229_717e9590b26f4ee68f5b49f68d57b8c7~mv2.png/v1/fill/w_414,h_586,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/IMG_0503_PNG.png)
![IMG_0504.PNG](https://static.wixstatic.com/media/509229_82208a0cb1034d9ebf9d715b6bcff2d5~mv2.png/v1/fill/w_414,h_586,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/IMG_0504_PNG.png)
Free Movement
![IMG_0502.PNG](https://static.wixstatic.com/media/509229_f8967ee0a9644306b6a2f4d17f722c23~mv2.png/v1/fill/w_414,h_586,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/IMG_0502_PNG.png)
![Slice 17.png](https://static.wixstatic.com/media/509229_2716571a0c9c4493a7ba0a5d48801ae9~mv2.png/v1/fill/w_980,h_883,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_2716571a0c9c4493a7ba0a5d48801ae9~mv2.png)
![Slice 18.png](https://static.wixstatic.com/media/509229_ffa61d5b1e86440982b9b77452d10d72~mv2.png/v1/fill/w_980,h_550,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_ffa61d5b1e86440982b9b77452d10d72~mv2.png)
User Testing
![20221123_163210.jpg](https://static.wixstatic.com/media/509229_4d987ddd0efa4f3d8ed1ab521e72b985~mv2.jpg/v1/fill/w_238,h_237,fp_0.59_0.26,q_90/509229_4d987ddd0efa4f3d8ed1ab521e72b985~mv2.jpg)
![20221123_163458.jpg](https://static.wixstatic.com/media/509229_2293f946381b4b05bacff2438d7c4295~mv2.jpg/v1/fill/w_237,h_237,fp_0.43_0.27,q_90/509229_2293f946381b4b05bacff2438d7c4295~mv2.jpg)
![20221123_163412.jpg](https://static.wixstatic.com/media/509229_1921a1c1a04f480fac345d2465a3a9f0~mv2.jpg/v1/fill/w_238,h_237,q_90/509229_1921a1c1a04f480fac345d2465a3a9f0~mv2.jpg)
![20221123_163456.jpg](https://static.wixstatic.com/media/509229_9580858bcff7450a8967773bad889a3e~mv2.jpg/v1/fill/w_237,h_237,fp_0.41_0.27,q_90/509229_9580858bcff7450a8967773bad889a3e~mv2.jpg)
![20221123_162636.jpg](https://static.wixstatic.com/media/509229_14885c02243f47e0888e5b90fd0ccbad~mv2.jpg/v1/fill/w_238,h_237,fp_0.3_0.19,q_90/509229_14885c02243f47e0888e5b90fd0ccbad~mv2.jpg)
![20221123_162622.jpg](https://static.wixstatic.com/media/509229_c991099360544a2b837e609adc755a18~mv2.jpg/v1/fill/w_237,h_237,fp_0.27_0.27,q_90/509229_c991099360544a2b837e609adc755a18~mv2.jpg)
![20221123_162630.jpg](https://static.wixstatic.com/media/509229_7ce03c61d87d43238c0baa1400d97a19~mv2.jpg/v1/fill/w_238,h_237,fp_0.2_0.42,q_90/509229_7ce03c61d87d43238c0baa1400d97a19~mv2.jpg)
![20221123_162612.jpg](https://static.wixstatic.com/media/509229_b9d812ede59a4ad18deac131121598a4~mv2.jpg/v1/fill/w_237,h_237,fp_0.43_0.25,q_90/509229_b9d812ede59a4ad18deac131121598a4~mv2.jpg)
![4.png](https://static.wixstatic.com/media/509229_af28897824144edc9fb6c82ac1aab7d6~mv2.png/v1/fill/w_980,h_551,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_af28897824144edc9fb6c82ac1aab7d6~mv2.png)
Final Design after Feedback
![1.png](https://static.wixstatic.com/media/509229_1f21850f99c24ba29ed2c17900a8bae7~mv2.png/v1/fill/w_980,h_551,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_1f21850f99c24ba29ed2c17900a8bae7~mv2.png)
![2.png](https://static.wixstatic.com/media/509229_8d8f6c10f0ad4c9086a51e401ecb7336~mv2.png/v1/fill/w_980,h_551,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_8d8f6c10f0ad4c9086a51e401ecb7336~mv2.png)
![3.png](https://static.wixstatic.com/media/509229_40d24dd3f54742398a7d2c6d635e141d~mv2.png/v1/fill/w_980,h_551,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/509229_40d24dd3f54742398a7d2c6d635e141d~mv2.png)