Fully Functional Model Rocket V1

V2 IN PROGRESS- LINK https://makerworld.com/en/models/756608#profileId-690925 I designed this model as a science fair project, and it turned out pretty well. It's version 3,(you don't want to see v1, v2 is alright), and it can fly pretty well. I used an Estes engine that fits a 7cm by 18mm dimension, a parachute and shock cord, and some super glue/modeling cement. You can use PETG or PLA(either one works, but PETG might be better for heat resistance, and then glue the parts together as s