Modify a Flexible PCB - Extend the width

Requirements: Altium Designer (For designing/modifying the pcb or any other equivalent software) Solidworks (or something equivalent) Note: We do not provide any of these software. Please quickly refer to the [login to view URL] file. We have a flexible pcb file which needs to be modified. The width of the PCB is 20mm and the height is 40mm. We need the width to be around 54mm long. The FPCB has a few contact points, in the picture, you'll notice that there are two, but the actual FPCB has more contact points. The shell which is designed in SolidWorks also has the same amount of contact points. The FPCB needs fit inside this shell and also the FPCB's contact points need to be perfectly aligned with the shell's contact points. And at the same time, the width of the FPCB needs to be modified so that when the FPCB is inserted into this shell the contact points will be perfectly aligned when fully inserted. You will receive two files from us, (1) the [login to view URL] file (this PCB was designed in Altium Design), and (2) the shell .step or SolidWorks file (this was designed in SolidWorks). What you will give me to us: (1) modified pcb file with the perfect alignment (2) a 3D design, as in .step, .pdf file or whatever you have to show that the modified FPCB's contact points are perfectly aligned with the contact points of the shell when inserted. It's a very simple project, we just thought of explaining it in great detail to give you a very clear image of what the project is. But the [login to view URL] should explain pretty much everything. Thank you for your time, and Good luck!