Silicone cartridge extruder

SummaryWIP Stepper extruder for siliconecartridges Printed parts: Back plate Front plate Pulley big Pusher sled Pusher clamp InstructionsWIP building the hardware for adding to an Ultimaker. I hope to get some empty 350ml silicone cartridges for other print media. I still need to design the bowden holding parts and the nozzle.. These must be easy exchangable or even single use. Since you cant clean up a silicone-mess that easy. Vitamins: two linear rails and Linear Bearings.. in my case O=16mm rails Treaded rod with nut.. what i had around in my parts bin two ballbearings fitting to the treaded rod.. mine are o=6mm O=19mm h=6mm Stepper motor Nema17 some more treaded rods and bolts.. in my case 4mm ones XML Belt and XML Pulleys.. in my case