![](https://s3images.coroflot.com/user_files/individual_files/513126_fmotjl2y798jehke2skobtlry.jpg)
The final product
![](https://s3images.coroflot.com/user_files/individual_files/513126_yussaowm97yf0oh7knumsdnin.jpg)
A typical user group in this product category
![](https://s3images.coroflot.com/user_files/individual_files/513126_2p7t4fhgd4uyotaok6jxsgg9t.jpg)
Existing punches are often used with heavy card, requiring high operation forces from the user
![](https://s3images.coroflot.com/user_files/individual_files/513126_jkgbzi9offkxvikrqw8ozkcuf.jpg)
Paper jams are frequent with this design, relying solely on a spring to release itself from the paper
![](https://s3images.coroflot.com/user_files/individual_files/513126_k2b0g2iiz0ngovmpnxhifm8tj.jpg)
Early sketch exploration of possible mechanisms
![](https://s3images.coroflot.com/user_files/individual_files/513126_fhejv5wbrf0e0cpxmoi28gbj0.jpg)
Engineering test rig, built to evaluate different gear diameters
![](https://s3images.coroflot.com/user_files/individual_files/513126_vy7mhd5s49iolczipau2cfrei.jpg)
Testing the engineering prototype with heavy card - success!
![](https://s3images.coroflot.com/user_files/individual_files/513126_8suutgsoz2yfeercc9gxehdgj.jpg)
Style exploration sketches
![](https://s3images.coroflot.com/user_files/individual_files/513126_r_ndsnehznwyifilmnt03ni8j.jpg)
The finished product; zinc die cast chassis, with an injection moulded enclosure
![](https://s3images.coroflot.com/user_files/individual_files/513126_z6pc7lb0hua0_ttxu942cfota.jpg)
Both variants of the final product, standalone and 'border system'
![](https://s3images.coroflot.com/user_files/individual_files/513126_2dsvonjyybmw7x6azifqc3odm.jpg)
New gears in action!
![](https://s3images.coroflot.com/user_files/individual_files/513126_kwtxbvndzvuhgfkaporvd8dx6.jpg)
Top cover and arm removed to show mechanical details
![](https://s3images.coroflot.com/user_files/individual_files/513126_fxwj86ogh8dqxscektqpnztba.jpg)
Four separate zinc die castings
![](https://s3images.coroflot.com/user_files/individual_files/513126_ef3zgahetm0mqsjlqax7lewz4.jpg)
Out in China for tooling trials
![](https://s3images.coroflot.com/user_files/individual_files/513126_l2kkx7zn45s8w4t3mvmf0aqiq.jpg)
The first castings, hot out of the mould tool
![](https://s3images.coroflot.com/user_files/individual_files/513126_xe4xx7cqqvc82cxhrxjazu8ep.jpg)
First production run, chassis parts stacking up
![](https://s3images.coroflot.com/user_files/individual_files/513126_fftwolhv92e4picn74jwndcle.jpg)
After casting, excess flash is removed accurately through a succession of grinding operations
![](https://s3images.coroflot.com/user_files/individual_files/513126_liom7d0_ikgkqray54ljdtgvs.jpg)
Final hand assembly, where injection moulded parts meet the die castings and other steel components
![](https://s3images.coroflot.com/user_files/individual_files/513126_kcaxcwfrfny4emxrmszjt_vpw.jpg)
The China engineering team!
![](https://s3images.coroflot.com/user_files/individual_files/513126_ujgr6uawlxxfd_qtwljojxc0k.jpg)
The punches are available in a range of different shapes, indicated by the print detail on top
![](https://s3images.coroflot.com/user_files/individual_files/513126_yydb5zrzykywno9cdxuslqsqt.jpg)
Final packaging and branding
![](https://s3images.coroflot.com/user_files/individual_files/513126_peswfbbs8l5ycilhl3juxxyxk.jpg)
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