![](https://s3images.coroflot.com/user_files/individual_files/216301_QHpoG5iVCJ98vkLCm6njvkoza.jpg)
for IT product_2 - sketches for the Tsinghua-Nokia joint project of proposal_II
![](https://s3images.coroflot.com/user_files/individual_files/216301_54A2g39cYb4N38nREbUEVDd8A.jpg)
for IT product_1 - sketches for the Tsinghua-Nokia joint project of proposal_I
![](https://s3images.coroflot.com/user_files/individual_files/216301_zBVEeWogXPge_BBrSnZNEfZiP.jpg)
for IT product_3 - the sketches for my course-work when i was in junior year
![](https://s3images.coroflot.com/user_files/individual_files/216301_Xu2RWDS0XuV_GCR_BylP4GJWa.jpg)
multi-sketches :-) - other sketches collected together
![](https://s3images.coroflot.com/user_files/individual_files/216301__QiVrd26n4Jkacx7tna6XFAbN.jpg)
![](https://s3images.coroflot.com/user_files/individual_files/216301_hzzu6c_NK60P14aOSjgzKZApA.jpg)
![](https://s3images.coroflot.com/user_files/individual_files/216301_6C89OaMQjKEqlgyO_W7MBtT31.jpg)
![](https://s3images.coroflot.com/user_files/individual_files/216301_P14S6Om_gJEBhi_Mzd0LuXhFu.jpg)
![](https://s3images.coroflot.com/user_files/individual_files/216301_Ogqhs5Sfhfj_Zg3GKv2Rdhqux.jpg)
![](https://s3images.coroflot.com/user_files/individual_files/216301_Pm12e_pNVweDMbJcFts_IS7TN.jpg)
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