I found across a site which actually can help you root jailbreak your HTC EVO 3D 1.49.0011 (SIS set)
Generally the steps are shown below but to download the files needed you need to visit the link above and give credits to the author..
1] register @ htcdev [dot] com
 just follow on-screen instruction until successfully boot with unlocked bootloader
now the important part : (u can use Revolutionary custom CWM recovery image or official CWM )
[3a] Revolutionary CWM
(i) download Revolutionary shutteru CWM recovery from here
(ii) reboot device in bootloader mode > plug in usb cable until u see FASTBOOT USB on device screen
(iii) now in adb type : fasboot flash recovery cwm-126.96.36.199-shooteru.img
[3b] Official CWM (button mapping as follows; SCROLL = Volume button; SELECT/ENTER = Camera button; BACK = Power button)
(i) install clockworkmod rom manager frm android market
(ii) flash recovery image from rom manager app menu
 To root stock rom,
(i) download su-188.8.131.52-efgh-signed.zip and copy to sdcard
(ii) reboot to recovery mode
(iii) select install zip frm sdcard > choose zip frm sdcard > select zip file as in (i) step above > proceed to flash.