This is a fully 3d printed regulated Squonk Mod. It takes 1 x 18650 battery and a DNA75 chip.You are also going to need 1 x keystone 5209 and 1 x keystone 228 (clip them to size). You can get away with 2 x 5209.For the 510, any squonk 22mm will do. I use 18GA silicone wire for all the connections. 3 x 5mm m3 screws or similar needed to hold the chip to the inner slider.Print settings will vary depending on your printer and material of choice, i typically use CF20 for the body, and PLA for the door and buttons.The body, slide and buttons print without supports (place the body face down on the plate). The inner slide will need support on the part that is hidden. The battery/juice bottle door just clicks in place. There are holes for 3mm magnets, in case you want a stronger connection, but I never installed the magnets. For proper click you might have to slightly scale the battery door up or down a bit, depending on your printer / extrusion multipliers / material.