Update 13.10.25 Elongated the plungerrod of both versions by 2mm to prevent it slamming into the rear of the frame and snapping, thanks for the valuable feedback @lucasw
This uses Sillyshells, get them here: https://www.printables.com/model/880038-silly-shells-for-homemade-nerf-blasters
Thanks to sillybutts for creating the sillyshell ecosystem!
You can now buy finished blasters from https://bearswares.shop/products/anemone-by-leedledynamics
Overview: Handcannon blaster for sillyshells, Fires pretty much anything nerf related High plunger volume Every gasket and seal and the propulsion is made from string and silicone oil, no additional hardware required Tactical version with more rail and a stock included Highly adjustable performance, just tie the string differently Printing and hardware: If you cant get it to seal well enough here is a link to the .step for the plungerhead, where you can adjust the tightness of the string coil 180mm³ Printer needed 4mm elastic string required (this stuff ), like 2 meters depending on how many loops you want and how many tries it takes you to make a gasket Print the plungerhead, sear, plungerrod, reinforcements and ejector with 5 wall loops The rest needs 3 walls, 20% Gyroid Infill Showoff video: Assembly guide: Update Log: 13.5.2025 : Added A tiny Obstruction in the Air channel so you cant accidentally vacuum darts into the plungertube