This knife has a retractable blade that goes inside the hilt when pressure is placed on the tip of the blade. This design allows for fake stab reenactments without hurting the "victim." The blade goes in by itself and a quick flick of the wrist will make the blade reappear. A little bit of practice makes a seamless transition from the knife blade being retracted to reappearing like a normal blade. Once both components of this project are printed, secure the blade in using mason twine and add leather to the handle if desired. Use the same string pattern as shown in the picture above. Adding a bit of lube or oil may help the pla or abs slide smoother and with less noise.
Monoprice Maker select 3d printer
Use a raft only on the hilt and you shouldn't have any trouble with the adhesion. No raft is needed for the blade.