does it work?
No, since you wouldn’t (imho) need any packing in c++. If you compile your executable, it looks to me like its packed enough 
Or, do you mean you want to create an installer for your game?
how do i send it over to the designer? when they open the .exe it requires libpanda.dll
packpanda is basically a python script which collects some information and then creates a configuration script for NSIS. NSIS is what packs everything into one executable installer.
So you have two basic options:
(1) Look at Panda3D-1.4.2\direct\src\directscripts\packpanda.nsi & .py, and fill in the .nsi config by hand.
(2) Use another free installer tool, for example (don’t forget: RTFM)
- WiX (the first open source project by Microsoft, download from sourceforge!!!). Used this before with good success.
- InnoSetup
- NSIS
On the other hand: as long as you don’t distribute your application I think it is far more pragmatic to just zip everything together and hand it to your fellows.
enn0x
Or just require them to install Panda3D seems to me like the best solution.